1.4

ai/__init__.py

@@ -0,0 +1,3 @@
+"""Helpers for interacting with the Flatlogic AI proxy from Django code."""
+
+from .local_ai_api import LocalAIApi, create_response, request, decode_json_from_response  # noqa: F401

ai/local_ai_api.py

@@ -0,0 +1,282 @@
+"""
+LocalAIApi — lightweight Python client for the Flatlogic AI proxy.
+
+Usage (inside the Django workspace):
+
+    from ai.local_ai_api import LocalAIApi
+
+    response = LocalAIApi.create_response({
+        "input": [
+            {"role": "system", "content": "You are a helpful assistant."},
+            {"role": "user", "content": "Summarise this text in two sentences."},
+        ],
+        "text": {"format": {"type": "json_object"}},
+    })
+
+    if response.get("success"):
+        data = LocalAIApi.decode_json_from_response(response)
+        # ...
+
+The helper automatically injects the project UUID header and falls back to
+reading executor/.env if environment variables are missing.
+"""
+
+from __future__ import annotations
+
+import json
+import os
+import ssl
+from typing import Any, Dict, Iterable, Optional
+from urllib import error as urlerror
+from urllib import request as urlrequest
+
+__all__ = [
+    "LocalAIApi",
+    "create_response",
+    "request",
+    "decode_json_from_response",
+]
+
+
+_CONFIG_CACHE: Optional[Dict[str, Any]] = None
+
+
+class LocalAIApi:
+    """Static helpers mirroring the PHP implementation."""
+
+    @staticmethod
+    def create_response(params: Dict[str, Any], options: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+        return create_response(params, options or {})
+
+    @staticmethod
+    def request(path: Optional[str] = None, payload: Optional[Dict[str, Any]] = None,
+                options: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+        return request(path, payload or {}, options or {})
+
+    @staticmethod
+    def decode_json_from_response(response: Dict[str, Any]) -> Optional[Dict[str, Any]]:
+        return decode_json_from_response(response)
+
+
+def create_response(params: Dict[str, Any], options: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+    """Signature compatible with the OpenAI Responses API."""
+    options = options or {}
+    payload = dict(params)
+
+    if not isinstance(payload.get("input"), list) or not payload["input"]:
+        return {
+            "success": False,
+            "error": "input_missing",
+            "message": 'Parameter "input" is required and must be a non-empty list.',
+        }
+
+    cfg = _config()
+    if not payload.get("model"):
+        payload["model"] = cfg["default_model"]
+
+    return request(options.get("path"), payload, options)
+
+
+def request(path: Optional[str], payload: Dict[str, Any], options: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
+    """Perform a raw request to the AI proxy."""
+    cfg = _config()
+    options = options or {}
+
+    resolved_path = path or options.get("path") or cfg["responses_path"]
+    if not resolved_path:
+        return {
+            "success": False,
+            "error": "project_id_missing",
+            "message": "PROJECT_ID is not defined; cannot resolve AI proxy endpoint.",
+        }
+
+    project_uuid = cfg["project_uuid"]
+    if not project_uuid:
+        return {
+            "success": False,
+            "error": "project_uuid_missing",
+            "message": "PROJECT_UUID is not defined; aborting AI request.",
+        }
+
+    if "project_uuid" not in payload and project_uuid:
+        payload["project_uuid"] = project_uuid
+
+    url = _build_url(resolved_path, cfg["base_url"])
+    timeout = int(options.get("timeout", cfg["timeout"]))
+    verify_tls = options.get("verify_tls", cfg["verify_tls"])
+
+    headers: Dict[str, str] = {
+        "Content-Type": "application/json",
+        "Accept": "application/json",
+        cfg["project_header"]: project_uuid,
+    }
+    extra_headers = options.get("headers")
+    if isinstance(extra_headers, Iterable):
+        for header in extra_headers:
+            if isinstance(header, str) and ":" in header:
+                name, value = header.split(":", 1)
+                headers[name.strip()] = value.strip()
+
+    body = json.dumps(payload, ensure_ascii=False).encode("utf-8")
+    req = urlrequest.Request(url, data=body, method="POST")
+    for name, value in headers.items():
+        req.add_header(name, value)
+
+    context = None
+    if not verify_tls:
+        context = ssl.create_default_context()
+        context.check_hostname = False
+        context.verify_mode = ssl.CERT_NONE
+
+    try:
+        with urlrequest.urlopen(req, timeout=timeout, context=context) as resp:
+            status = resp.getcode()
+            response_body = resp.read().decode("utf-8", errors="replace")
+    except urlerror.HTTPError as exc:
+        status = exc.getcode()
+        response_body = exc.read().decode("utf-8", errors="replace")
+    except Exception as exc:  # pylint: disable=broad-except
+        return {
+            "success": False,
+            "error": "request_failed",
+            "message": str(exc),
+        }
+
+    decoded = None
+    if response_body:
+        try:
+            decoded = json.loads(response_body)
+        except json.JSONDecodeError:
+            decoded = None
+
+    if 200 <= status < 300:
+        return {
+            "success": True,
+            "status": status,
+            "data": decoded if decoded is not None else response_body,
+        }
+
+    error_message = "AI proxy request failed"
+    if isinstance(decoded, dict):
+        error_message = decoded.get("error") or decoded.get("message") or error_message
+    elif response_body:
+        error_message = response_body
+
+    return {
+        "success": False,
+        "status": status,
+        "error": error_message,
+        "response": decoded if decoded is not None else response_body,
+    }
+
+
+def decode_json_from_response(response: Dict[str, Any]) -> Optional[Dict[str, Any]]:
+    """Attempt to decode JSON emitted by the model (handles markdown fences)."""
+    text = _extract_text(response)
+    if text == "":
+        return None
+
+    try:
+        decoded = json.loads(text)
+        if isinstance(decoded, dict):
+            return decoded
+    except json.JSONDecodeError:
+        pass
+
+    stripped = text.strip()
+    if stripped.startswith("```json"):
+        stripped = stripped[7:]
+    if stripped.endswith("```"):
+        stripped = stripped[:-3]
+    stripped = stripped.strip()
+    if stripped and stripped != text:
+        try:
+            decoded = json.loads(stripped)
+            if isinstance(decoded, dict):
+                return decoded
+        except json.JSONDecodeError:
+            return None
+    return None
+
+
+def _extract_text(response: Dict[str, Any]) -> str:
+    payload = response.get("data") if response.get("success") else response.get("response")
+    if isinstance(payload, dict):
+        output = payload.get("output")
+        if isinstance(output, list):
+            combined = ""
+            for item in output:
+                content = item.get("content") if isinstance(item, dict) else None
+                if isinstance(content, list):
+                    for block in content:
+                        if isinstance(block, dict) and block.get("type") == "output_text" and block.get("text"):
+                            combined += str(block["text"])
+                if combined:
+                    return combined
+        choices = payload.get("choices")
+        if isinstance(choices, list) and choices:
+            message = choices[0].get("message")
+            if isinstance(message, dict) and message.get("content"):
+                return str(message["content"])
+    if isinstance(payload, str):
+        return payload
+    return ""
+
+
+def _config() -> Dict[str, Any]:
+    global _CONFIG_CACHE  # noqa: PLW0603
+    if _CONFIG_CACHE is not None:
+        return _CONFIG_CACHE
+
+    _ensure_env_loaded()
+
+    base_url = os.getenv("AI_PROXY_BASE_URL", "https://flatlogic.com")
+    project_id = os.getenv("PROJECT_ID") or None
+    responses_path = os.getenv("AI_RESPONSES_PATH")
+    if not responses_path and project_id:
+        responses_path = f"/projects/{project_id}/ai-request"
+
+    _CONFIG_CACHE = {
+        "base_url": base_url,
+        "responses_path": responses_path,
+        "project_id": project_id,
+        "project_uuid": os.getenv("PROJECT_UUID"),
+        "project_header": os.getenv("AI_PROJECT_HEADER", "project-uuid"),
+        "default_model": os.getenv("AI_DEFAULT_MODEL", "gpt-5"),
+        "timeout": int(os.getenv("AI_TIMEOUT", "30")),
+        "verify_tls": os.getenv("AI_VERIFY_TLS", "true").lower() not in {"0", "false", "no"},
+    }
+    return _CONFIG_CACHE
+
+
+def _build_url(path: str, base_url: str) -> str:
+    trimmed = path.strip()
+    if trimmed.startswith("http://") or trimmed.startswith("https://"):
+        return trimmed
+    if trimmed.startswith("/"):
+        return f"{base_url}{trimmed}"
+    return f"{base_url}/{trimmed}"
+
+
+def _ensure_env_loaded() -> None:
+    """Populate os.environ from executor/.env if variables are missing."""
+    if os.getenv("PROJECT_UUID") and os.getenv("PROJECT_ID"):
+        return
+
+    env_path = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".env"))
+    if not os.path.exists(env_path):
+        return
+
+    try:
+        with open(env_path, "r", encoding="utf-8") as handle:
+            for line in handle:
+                stripped = line.strip()
+                if not stripped or stripped.startswith("#") or "=" not in stripped:
+                    continue
+                key, value = stripped.split("=", 1)
+                key = key.strip()
+                value = value.strip().strip('\'"')
+                if key and not os.getenv(key):
+                    os.environ[key] = value
+    except OSError:
+        pass

config/settings.py

@@ -141,6 +141,9 @@ USE_TZ = True
 STATIC_URL = '/static/'
 STATIC_ROOT = BASE_DIR / 'staticfiles'
 
+MEDIA_URL = '/media/'
+MEDIA_ROOT = BASE_DIR / 'media'
+
 
 STATICFILES_DIRS = [
     BASE_DIR / 'static',

config/urls.py

@@ -16,8 +16,13 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import include, path
+from django.conf import settings
+from django.conf.urls.static import static
 
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("", include("core.urls")),
 ]
+
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

core/admin.py

@@ -1,8 +1,10 @@
 from django.contrib import admin
-from .models import Ticket
+from .models import Company, Membership, Tender, Bid, Document, Note, Approval
 
-@admin.register(Ticket)
-class TicketAdmin(admin.ModelAdmin):
-    list_display = ('subject', 'status', 'priority', 'requester_email', 'created_at')
-    list_filter = ('status', 'priority')
-    search_fields = ('subject', 'requester_email', 'description')
+admin.site.register(Company)
+admin.site.register(Membership)
+admin.site.register(Tender)
+admin.site.register(Bid)
+admin.site.register(Document)
+admin.site.register(Note)
+admin.site.register(Approval)

core/decorators.py

@@ -0,0 +1,12 @@
+from django.contrib.auth.models import Group
+from django.http import HttpResponseForbidden
+
+def group_required(group_names):
+    def decorator(view_func):
+        def _wrapped_view(request, *args, **kwargs):
+            if request.user.is_authenticated:
+                if request.user.groups.filter(name__in=group_names).exists() or request.user.is_superuser:
+                    return view_func(request, *args, **kwargs)
+            return HttpResponseForbidden("You don't have permission to access this page.")
+        return _wrapped_view
+    return decorator

core/etenders_api.py

@@ -0,0 +1,18 @@
+import requests
+
+ETENDERS_API_URL = "https://www.etenders.gov.za/api/v1/tenders"
+
+def get_tenders():
+    """
+    Fetches a list of tenders from the eTenders API.
+
+    Returns:
+        list: A list of tenders as dictionaries, or None if an error occurs.
+    """
+    try:
+        response = requests.get(ETENDERS_API_URL)
+        response.raise_for_status()  # Raise an exception for bad status codes (4xx or 5xx)
+        return response.json()
+    except requests.exceptions.RequestException as e:
+        print(f"Error fetching tenders from eTenders API: {e}")
+        return None

core/forms.py

@@ -1,7 +1,37 @@
 from django import forms
-from .models import Ticket
+from django.contrib.auth.forms import UserCreationForm
+from .models import Company, Tender, Bid, Document, Note, Approval
 
-class TicketForm(forms.ModelForm):
+class SignUpForm(UserCreationForm):
+    class Meta(UserCreationForm.Meta):
+        fields = UserCreationForm.Meta.fields + ('email', 'first_name', 'last_name',)
+
+class CompanyForm(forms.ModelForm):
     class Meta:
-        model = Ticket
-        fields = ['subject', 'requester_email', 'priority', 'description']
+        model = Company
+        fields = ['name']
+
+class TenderForm(forms.ModelForm):
+    class Meta:
+        model = Tender
+        fields = ['title', 'description', 'deadline']
+
+class BidForm(forms.ModelForm):
+    class Meta:
+        model = Bid
+        fields = ['amount']
+
+class DocumentForm(forms.ModelForm):
+    class Meta:
+        model = Document
+        fields = ['file', 'description']
+
+class NoteForm(forms.ModelForm):
+    class Meta:
+        model = Note
+        fields = ['note']
+
+class ApprovalForm(forms.ModelForm):
+    class Meta:
+        model = Approval
+        fields = ['status', 'comments']

core/management/commands/import_tenders.py

@@ -0,0 +1,52 @@
+from django.core.management.base import BaseCommand
+from core.etenders_api import get_tenders
+from core.models import Tender, Company
+from datetime import datetime
+
+class Command(BaseCommand):
+    help = 'Imports tenders from the eTenders API'
+
+    def handle(self, *args, **options):
+        self.stdout.write('Importing tenders from eTenders API...')
+        tenders_data = get_tenders()
+
+        if not tenders_data:
+            self.stdout.write(self.style.WARNING('No tenders found or API is unavailable.'))
+            return
+
+        # For now, let's assume a default company exists.
+        # A more robust implementation would be to get the company from the tender data.
+        default_company, created = Company.objects.get_or_create(name='Default Company')
+
+        imported_count = 0
+        for tender_data in tenders_data:
+            # Assuming the API returns these fields. This will need to be adjusted
+            # based on the actual API response.
+            title = tender_data.get('title')
+            description = tender_data.get('description')
+            deadline_str = tender_data.get('deadline')
+
+            if not all([title, description, deadline_str]):
+                self.stdout.write(self.style.WARNING(f'Skipping tender with incomplete data: {tender_data}'))
+                continue
+
+            try:
+                deadline = datetime.fromisoformat(deadline_str)
+            except ValueError:
+                self.stdout.write(self.style.WARNING(f'Skipping tender with invalid deadline format: {deadline_str}'))
+                continue
+
+            # Check if a tender with the same title and company already exists.
+            if Tender.objects.filter(title=title, company=default_company).exists():
+                self.stdout.write(self.style.NOTICE(f'Tender "{title}" already exists. Skipping.'))
+                continue
+
+            Tender.objects.create(
+                company=default_company,
+                title=title,
+                description=description,
+                deadline=deadline,
+            )
+            imported_count += 1
+
+        self.stdout.write(self.style.SUCCESS(f'Successfully imported {imported_count} new tenders.'))

core/migrations/0001_initial.py

@@ -1,5 +1,7 @@
-# Generated by Django 5.2.7 on 2025-10-23 10:09
+# Generated by Django 5.2.7 on 2025-11-15 18:48
 
+import django.db.models.deletion
+from django.conf import settings
 from django.db import migrations, models
 
 
@@ -8,20 +10,89 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Ticket',
+            name='Bid',
             fields=[
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('subject', models.CharField(max_length=255)),
-                ('status', models.CharField(choices=[('open', 'Open'), ('in_progress', 'In Progress'), ('closed', 'Closed')], default='open', max_length=20)),
-                ('priority', models.CharField(choices=[('low', 'Low'), ('medium', 'Medium'), ('high', 'High')], default='medium', max_length=20)),
-                ('requester_email', models.EmailField(max_length=254)),
-                ('description', models.TextField()),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=10)),
                 ('created_at', models.DateTimeField(auto_now_add=True)),
                 ('updated_at', models.DateTimeField(auto_now=True)),
             ],
         ),
+        migrations.CreateModel(
+            name='Company',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Approval',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('status', models.CharField(choices=[('pending', 'Pending'), ('approved', 'Approved'), ('rejected', 'Rejected')], default='pending', max_length=20)),
+                ('comments', models.TextField(blank=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('approver', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('bid', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.bid')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='bid',
+            name='company',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.company'),
+        ),
+        migrations.CreateModel(
+            name='Membership',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('role', models.CharField(choices=[('owner', 'Owner'), ('admin', 'Admin'), ('member', 'Member')], max_length=20)),
+                ('company', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.company')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Tender',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=255)),
+                ('description', models.TextField()),
+                ('deadline', models.DateTimeField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('company', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.company')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Note',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('note', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('tender', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.tender')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Document',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('file', models.FileField(upload_to='documents/')),
+                ('uploaded_at', models.DateTimeField(auto_now_add=True)),
+                ('bid', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='core.bid')),
+                ('tender', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='core.tender')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='bid',
+            name='tender',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.tender'),
+        ),
     ]

core/migrations/0002_document_description.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-15 18:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='document',
+            name='description',
+            field=models.TextField(blank=True),
+        ),
+    ]

core/migrations/0003_document_uploaded_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.7 on 2025-11-15 18:58
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_document_description'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='document',
+            name='uploaded_by',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

core/migrations/0004_tender_status.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-15 19:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_document_uploaded_by'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='tender',
+            name='status',
+            field=models.CharField(choices=[('opportunity-discovery', 'Opportunity Discovery'), ('qualification', 'Qualification / Go–No Go'), ('tender-registration', 'Tender Registration'), ('bid-planning', 'Bid Planning'), ('team-task-assignment', 'Team & Task Assignment'), ('document-collection-drafting', 'Document Collection & Drafting'), ('internal-review-compliance-check', 'Internal Review & Compliance Check'), ('approvals-sign-off', 'Approvals & Sign‑off'), ('submission-confirmation', 'Submission & Confirmation'), ('post-bid-review-analytics', 'Post‑Bid Review & Analytics')], default='opportunity-discovery', max_length=50),
+        ),
+    ]

core/models.py

@@ -1,25 +1,93 @@
 from django.db import models
+from django.contrib.auth.models import User
 
-class Ticket(models.Model):
-    STATUS_CHOICES = [
-        ('open', 'Open'),
-        ('in_progress', 'In Progress'),
-        ('closed', 'Closed'),
-    ]
-
-    PRIORITY_CHOICES = [
-        ('low', 'Low'),
-        ('medium', 'Medium'),
-        ('high', 'High'),
-    ]
-
-    subject = models.CharField(max_length=255)
-    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='open')
-    priority = models.CharField(max_length=20, choices=PRIORITY_CHOICES, default='medium')
-    requester_email = models.EmailField()
-    description = models.TextField()
+class Company(models.Model):
+    name = models.CharField(max_length=255)
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 
     def __str__(self):
-        return self.subject
+        return self.name
+
+class Membership(models.Model):
+    ROLE_CHOICES = [
+        ('owner', 'Owner'),
+        ('admin', 'Admin'),
+        ('member', 'Member'),
+    ]
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    company = models.ForeignKey(Company, on_delete=models.CASCADE)
+    role = models.CharField(max_length=20, choices=ROLE_CHOICES)
+
+    def __str__(self):
+        return f"{self.user.username} - {self.company.name} ({self.role})"
+
+class Tender(models.Model):
+    STATUS_CHOICES = [
+        ('opportunity-discovery', 'Opportunity Discovery'),
+        ('qualification', 'Qualification / Go–No Go'),
+        ('tender-registration', 'Tender Registration'),
+        ('bid-planning', 'Bid Planning'),
+        ('team-task-assignment', 'Team & Task Assignment'),
+        ('document-collection-drafting', 'Document Collection & Drafting'),
+        ('internal-review-compliance-check', 'Internal Review & Compliance Check'),
+        ('approvals-sign-off', 'Approvals & Sign‑off'),
+        ('submission-confirmation', 'Submission & Confirmation'),
+        ('post-bid-review-analytics', 'Post‑Bid Review & Analytics'),
+    ]
+    company = models.ForeignKey(Company, on_delete=models.CASCADE)
+    title = models.CharField(max_length=255)
+    description = models.TextField()
+    deadline = models.DateTimeField()
+    status = models.CharField(max_length=50, choices=STATUS_CHOICES, default='opportunity-discovery')
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return self.title
+
+class Bid(models.Model):
+    tender = models.ForeignKey(Tender, on_delete=models.CASCADE)
+    company = models.ForeignKey(Company, on_delete=models.CASCADE)
+    amount = models.DecimalField(max_digits=10, decimal_places=2)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return f"Bid for {self.tender.title} by {self.company.name}"
+
+class Document(models.Model):
+    tender = models.ForeignKey(Tender, on_delete=models.CASCADE, null=True, blank=True)
+    bid = models.ForeignKey(Bid, on_delete=models.CASCADE, null=True, blank=True)
+    uploaded_by = models.ForeignKey(User, on_delete=models.CASCADE, null=True)
+    file = models.FileField(upload_to='documents/')
+    description = models.TextField(blank=True)
+    uploaded_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return self.file.name
+
+class Note(models.Model):
+    tender = models.ForeignKey(Tender, on_delete=models.CASCADE)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    note = models.TextField()
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"Note on {self.tender.title} by {self.user.username}"
+
+class Approval(models.Model):
+    STATUS_CHOICES = [
+        ('pending', 'Pending'),
+        ('approved', 'Approved'),
+        ('rejected', 'Rejected'),
+    ]
+    bid = models.ForeignKey(Bid, on_delete=models.CASCADE)
+    approver = models.ForeignKey(User, on_delete=models.CASCADE)
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='pending')
+    comments = models.TextField(blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    def __str__(self):
+        return f"Approval for {self.bid} by {self.approver.username}"

core/templates/base.html

@@ -0,0 +1,56 @@
+{% load static %}
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>{% block title %}BID Master{% endblock %}</title>
+    <link rel="stylesheet" href="{% static 'bootstrap/dist/css/bootstrap.min.css' %}">
+    <link rel="stylesheet" href="{% static 'css/custom.css' %}">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
+    {% block head %}{% endblock %}
+</head>
+<body>
+
+    <header class="header">
+        <nav class="navbar navbar-expand-lg navbar-light bg-light">
+            <div class="container">
+                <a class="navbar-brand" href="/">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="d-inline-block align-text-top"><path d="M9 17.25V12m0 0V6.75M9 12h6.75M16.5 12v5.25M16.5 12V6.75M3 12h.75M21 12h-.75M12 3v.75M12 21v-.75M4.5 19.5l.53-.53M18.97 5.53l.53-.53M4.5 4.5l.53.53M18.97 18.97l.53.53"/></svg>
+                    BID Master
+                </a>
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="collapse navbar-collapse" id="navbarNav">
+                    <ul class="navbar-nav ms-auto">
+                        {% if user.is_authenticated %}
+                            <li class="nav-item">
+                                <a class="nav-link" href="{% url 'dashboard' %}">Dashboard</a>
+                            </li>
+                            <li class="nav-item">
+                                <a class="nav-link" href="{% url 'logout' %}">Logout</a>
+                            </li>
+                        {% else %}
+                            <li class="nav-item">
+                                <a class="nav-link" href="{% url 'login' %}">Login</a>
+                            </li>
+                            <li class="nav-item">
+                                <a class="btn btn-primary" href="{% url 'signup' %}">Get Started</a>
+                            </li>
+                        {% endif %}
+                    </ul>
+                </div>
+            </div>
+        </nav>
+    </header>
+
+    <main>
+        {% block content %}{% endblock %}
+    </main>
+
+    <script src="{% static 'bootstrap/dist/js/bootstrap.bundle.min.js' %}"></script>
+</body>
+</html>

core/templates/core/approve_bid.html

@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Approve Bid</h1>
+        </div>
+        <div class="card-body">
+            <p><strong>Tender:</strong> {{ bid.tender.title }}</p>
+            <p><strong>Company:</strong> {{ bid.company.name }}</p>
+            <p><strong>Amount:</strong> ${{ bid.amount }}</p>
+            <form method="post">
+                {% csrf_token %}
+                {{ form.as_p }}
+                <button type="submit" class="btn btn-primary">Submit Approval</button>
+            </form>
+        </div>
+        <div class="card-footer">
+            <a href="{% url 'tender_detail' bid.tender.id %}" class="btn btn-secondary">Back to Tender</a>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/article_detail.html

@@ -0,0 +1,14 @@
+{% extends 'base.html' %}
+
+{% block title %}{{ article.title }}{% endblock %}
+
+{% block content %}
+<div class="container mt-5">
+    <h1>{{ article.title }}</h1>
+    <p class="text-muted">Published on {{ article.created_at|date:"F d, Y" }}</p>
+    <hr>
+    <div>
+        {{ article.content|safe }}
+    </div>
+</div>
+{% endblock %}

core/templates/core/create_bid.html

@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card">
+                <div class="card-header">
+                    <h2 class="card-title text-center">Create a Bid for {{ tender.title }}</h2>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        {{ form.as_p }}
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary">Submit Bid</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/create_company.html

@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6">
+            <div class="card">
+                <div class="card-header">
+                    <h2 class="card-title text-center">Create a Company</h2>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        {{ form.as_p }}
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary">Create Company</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/create_tender.html

@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card">
+                <div class="card-header">
+                    <h2 class="card-title text-center">Create a New Tender for {{ company.name }}</h2>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        {{ form.as_p }}
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary">Create Tender</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/dashboard.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row">
+        <div class="col">
+            <h1 class="display-4">Welcome, {{ user.username }}!</h1>
+
+            {% if companies %}
+                <h2 class="mt-5">Your Companies:</h2>
+                <div class="list-group">
+                    {% for company in companies %}
+                        <a href="{% url 'tender_list' company.id %}" class="list-group-item list-group-item-action">
+                            {{ company.name }}
+                        </a>
+                    {% endfor %}
+                </div>
+            {% else %}
+                <div class="mt-5 p-5 bg-light rounded">
+                    <h2>You don't have a company yet.</h2>
+                    <p class="lead">Get started by creating a new company.</p>
+                    <a href="{% url 'create_company' %}" class="btn btn-primary btn-lg">Create a Company</a>
+                </div>
+            {% endif %}
+
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/delete_bid.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Delete Bid</h1>
+        </div>
+        <div class="card-body">
+            <p>Are you sure you want to delete this bid of ${{ bid.amount }}?</p>
+            <form method="post">
+                {% csrf_token %}
+                <button type="submit" class="btn btn-danger">Delete</button>
+                <a href="{% url 'tender_detail' bid.tender.id %}" class="btn btn-secondary">Cancel</a>
+            </form>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/delete_document.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Delete Document</h1>
+        </div>
+        <div class="card-body">
+            <p>Are you sure you want to delete the document "{{ document.file.name }}"?</p>
+            <form method="post">
+                {% csrf_token %}
+                <button type="submit" class="btn btn-danger">Delete</button>
+                <a href="{% url 'tender_detail' document.tender.id %}" class="btn btn-secondary">Cancel</a>
+            </form>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/delete_tender.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Delete Tender</h1>
+        </div>
+        <div class="card-body">
+            <p>Are you sure you want to delete the tender "{{ tender.title }}"?</p>
+            <form method="post">
+                {% csrf_token %}
+                <button type="submit" class="btn btn-danger">Delete</button>
+                <a href="{% url 'tender_detail' tender.id %}" class="btn btn-secondary">Cancel</a>
+            </form>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/index.html

@@ -1,157 +1,48 @@
-<!doctype html>
-<html lang="en">
+{% extends "base.html" %}
 
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>{{ project_name }}</title>
-    {% if project_description %}
-    <meta name="description" content="{{ project_description }}">
-    <meta property="og:description" content="{{ project_description }}">
-    <meta property="twitter:description" content="{{ project_description }}">
-    {% endif %}
-    {% if project_image_url %}
-    <meta property="og:image" content="{{ project_image_url }}">
-    <meta property="twitter:image" content="{{ project_image_url }}">
-    {% endif %}
-    <link rel="preconnect" href="https://fonts.googleapis.com">
-    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
-    <style>
-        :root {
-            --bg-color-start: #6a11cb;
-            --bg-color-end: #2575fc;
-            --text-color: #ffffff;
-            --card-bg-color: rgba(255, 255, 255, 0.08);
-            --card-border-color: rgba(255, 255, 255, 0.18);
-        }
+{% block content %}
+<div class="container">
+    <section class="hero-section">
+        <h1 class="display-4">Win More Tenders with <span class="text-primary">AI-Powered</span> Management</h1>
+        <p class="lead">
+            Complete tender lifecycle management from opportunity discovery to project delivery.
+        </p>
+        <p>
+            <a href="#" class="btn btn-primary btn-lg">Get Started</a>
+        </p>
+    </section>
 
-        * {
-            box-sizing: border-box;
-        }
-
-        body {
-            margin: 0;
-            font-family: 'Inter', sans-serif;
-            background: linear-gradient(130deg, var(--bg-color-start), var(--bg-color-end));
-            color: var(--text-color);
-            display: flex;
-            justify-content: center;
-            align-items: center;
-            min-height: 100vh;
-            text-align: center;
-            overflow: hidden;
-            position: relative;
-        }
-
-        body::before {
-            content: '';
-            position: absolute;
-            inset: 0;
-            background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140' viewBox='0 0 140 140'><path d='M-20 20L160 20M20 -20L20 160' stroke-width='1' stroke='rgba(255,255,255,0.05)'/></svg>");
-            animation: bg-pan 24s linear infinite;
-            z-index: -1;
-        }
-
-        @keyframes bg-pan {
-            0% {
-                transform: translate3d(0, 0, 0);
-            }
-
-            100% {
-                transform: translate3d(-140px, -140px, 0);
-            }
-        }
-
-        main {
-            padding: clamp(2rem, 4vw, 3rem);
-            width: min(640px, 92vw);
-        }
-
-        .card {
-            background: var(--card-bg-color);
-            border: 1px solid var(--card-border-color);
-            border-radius: 20px;
-            padding: clamp(2rem, 4vw, 3rem);
-            backdrop-filter: blur(24px);
-            -webkit-backdrop-filter: blur(24px);
-            box-shadow: 0 20px 60px rgba(15, 23, 42, 0.35);
-        }
-
-        h1 {
-            margin: 0 0 1.2rem;
-            font-weight: 700;
-            font-size: clamp(2.2rem, 3vw + 1.3rem, 3rem);
-            letter-spacing: -0.04em;
-        }
-
-        p {
-            margin: 0.6rem 0;
-            font-size: 1.1rem;
-            line-height: 1.7;
-            opacity: 0.92;
-        }
-
-        .loader {
-            margin: 1.5rem auto;
-            width: 56px;
-            height: 56px;
-            border: 4px solid rgba(255, 255, 255, 0.25);
-            border-top-color: #fff;
-            border-radius: 50%;
-            animation: spin 1s linear infinite;
-        }
-
-        @keyframes spin {
-            to {
-                transform: rotate(360deg);
-            }
-        }
-
-        .sr-only {
-            position: absolute;
-            width: 1px;
-            height: 1px;
-            padding: 0;
-            margin: -1px;
-            overflow: hidden;
-            clip: rect(0, 0, 0, 0);
-            border: 0;
-        }
-
-        code {
-            background: rgba(15, 23, 42, 0.35);
-            padding: 0.2rem 0.6rem;
-            border-radius: 0.5rem;
-            font-size: 0.95rem;
-        }
-
-        footer {
-            margin-top: 2.4rem;
-            font-size: 0.86rem;
-            opacity: 0.7;
-        }
-    </style>
-</head>
-
-<body>
-    <main>
-        <div class="card">
-            <h1>Analyzing your requirements and generating your website…</h1>
-            <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-                <span class="sr-only">Loading…</span>
+    <section class="features-section">
+        <h2 class="text-center mb-5">Key Features</h2>
+        <div class="row">
+            <div class="col-md-4">
+                <div class="feature-card">
+                    <div class="feature-icon">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>
+                    </div>
+                    <h3>Tender Discovery</h3>
+                    <p>Find relevant tenders with our powerful search and filtering capabilities.</p>
+                </div>
+            </div>
+            <div class="col-md-4">
+                <div class="feature-card">
+                    <div class="feature-icon">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path><polyline points="14 2 14 8 20 8"></polyline><line x1="16" y1="13" x2="8" y2="13"></line><line x1="16" y1="17" x2="8" y2="17"></line><polyline points="10 9 9 9 8 9"></polyline></svg>
+                    </div>
+                    <h3>Document Management</h3>
+                    <p>Organize and manage all your tender-related documents in one place.</p>
+                </div>
+            </div>
+            <div class="col-md-4">
+                <div class="feature-card">
+                    <div class="feature-icon">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"></path><circle cx="9" cy="7" r="4"></circle><path d="M23 21v-2a4 4 0 0 0-3-3.87"></path><path d="M16 3.13a4 4 0 0 1 0 7.75"></path></svg>
+                    </div>
+                    <h3>Collaboration</h3>
+                    <p>Collaborate with your team and track progress with our workflow tools.</p>
+                </div>
             </div>
-            <p>Appwizzy AI is collecting your requirements and applying the first changes.</p>
-            <p>This page will refresh automatically as the plan is implemented.</p>
-            <p>
-                Runtime: Django <code>{{ django_version }}</code> · Python <code>{{ python_version }}</code> —
-                UTC <code>{{ current_time|date:"Y-m-d H:i:s" }}</code>
-            </p>
         </div>
-        <footer>
-            Page updated: {{ current_time|date:"Y-m-d H:i:s" }} (UTC)
-        </footer>
-    </main>
-</body>
-
-</html>
+    </section>
+</div>
+{% endblock %}

core/templates/core/login.html

@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6">
+            <div class="card">
+                <div class="card-header">
+                    <h2 class="card-title text-center">Login</h2>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        {{ form.as_p }}
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary">Login</button>
+                        </div>
+                    </form>
+                </div>
+                <div class="card-footer text-center">
+                    <p>Don't have an account? <a href="{% url 'signup' %}">Sign Up</a></p>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/signup.html

@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6">
+            <div class="card">
+                <div class="card-header">
+                    <h2 class="card-title text-center">Sign Up</h2>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        {{ form.as_p }}
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary">Sign Up</button>
+                        </div>
+                    </form>
+                </div>
+                <div class="card-footer text-center">
+                    <p>Already have an account? <a href="{% url 'login' %}">Login</a></p>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/tender_detail.html

@@ -0,0 +1,131 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card mb-4">
+        <div class="card-header">
+            <h1 class="card-title">{{ tender.title }}</h1>
+        </div>
+        <div class="card-body">
+            <p><strong>Company:</strong> {{ tender.company.name }}</p>
+            <p><strong>Description:</strong></p>
+            <p>{{ tender.description }}</p>
+            <p><strong>Deadline:</strong> {{ tender.deadline }}</p>
+            <p><strong>Status:</strong> <span class="badge bg-info">{{ tender.get_status_display }}</span></p>
+        </div>
+        <div class="card-footer">
+            <a href="{% url 'tender_list' tender.company.id %}" class="btn btn-secondary">Back to Tenders</a>
+            <a href="{% url 'update_tender' tender.id %}" class="btn btn-primary">Update</a>
+            <a href="{% url 'delete_tender' tender.id %}" class="btn btn-danger">Delete</a>
+        </div>
+    </div>
+
+    <div class="card mb-4">
+        <div class="card-header">
+            <h2 class="h4">Workflow</h2>
+        </div>
+        <div class="card-body">
+            {% if request.user.is_authenticated and request.user.groups.all|length > 0 %}
+                {% if 'Head of Bids' in request.user.groups.all.0.name or 'Bid Administrator' in request.user.groups.all.0.name %}
+                    {% if next_status %}
+                        <p>The current step is complete. Ready to move to the next step.</p>
+                        <a href="{% url 'update_tender_status' tender.id next_status.0 %}" class="btn btn-success">Approve and move to: {{ next_status.1 }}</a>
+                    {% else %}
+                        <p>This tender is in the final workflow step.</p>
+                    {% endif %}
+                {% endif %}
+            {% else %}
+                <p>You do not have permission to advance the workflow.</p>
+            {% endif %}
+        </div>
+    </div>
+
+    <div class="card mb-4">
+        <div class="card-header d-flex justify-content-between align-items-center">
+            <h2 class="h4">Bids</h2>
+            <a href="{% url 'create_bid' tender.id %}" class="btn btn-primary">Create Bid</a>
+        </div>
+        <div class="card-body">
+            {% if bids %}
+                <ul class="list-group">
+                    {% for bid in bids %}
+                        <li class="list-group-item d-flex justify-content-between align-items-center">
+                            <div>
+                                <span>{{ bid.company.name }} - ${{ bid.amount }}</span>
+                                {% with approval=bid.approval_set.first %}
+                                    {% if approval %}
+                                        <span class="badge bg-{% if approval.status == 'approved' %}success{% elif approval.status == 'rejected' %}danger{% else %}secondary{% endif %}">{{ approval.get_status_display }}</span>
+                                    {% else %}
+                                        <span class="badge bg-secondary">Pending</span>
+                                    {% endif %}
+                                {% endwith %}
+                            </div>
+                            <div>
+                                <a href="{% url 'approve_bid' bid.id %}" class="btn btn-sm btn-outline-primary">Review</a>
+                                {% if request.user.membership_set.first.company == bid.company %}
+                                    <a href="{% url 'update_bid' bid.id %}" class="btn btn-sm btn-outline-secondary">Update</a>
+                                    <a href="{% url 'delete_bid' bid.id %}" class="btn btn-sm btn-outline-danger">Delete</a>
+                                {% endif %}
+                            </div>
+                        </li>
+                    {% endfor %}
+                </ul>
+            {% else %}
+                <p>No bids yet.</p>
+            {% endif %}
+        </div>
+    </div>
+
+    <div class="card mb-4">
+        <div class="card-header">
+            <h2 class="h4">Documents</h2>
+        </div>
+        <div class="card-body">
+            <form method="post" enctype="multipart/form-data" class="mb-4">
+                {% csrf_token %}
+                {{ doc_form.as_p }}
+                <button type="submit" name="submit_document" class="btn btn-primary">Upload Document</button>
+            </form>
+
+            {% if documents %}
+                <ul class="list-group">
+                    {% for doc in documents %}
+                        <li class="list-group-item d-flex justify-content-between align-items-center">
+                            <a href="{{ doc.file.url }}" target="_blank">{{ doc.file.name }}</a>
+                            <small class="text-muted">by {{ doc.uploaded_by.username }} on {{ doc.uploaded_at|date:"Y-m-d" }}</small>
+                        </li>
+                    {% endfor %}
+                </ul>
+            {% else %}
+                <p>No documents yet.</p>
+            {% endif %}
+        </div>
+    </div>
+
+    <div class="card">
+        <div class="card-header">
+            <h2 class="h4">Notes</h2>
+        </div>
+        <div class="card-body">
+            <form method="post" class="mb-4">
+                {% csrf_token %}
+                {{ note_form.as_p }}
+                <button type="submit" name="submit_note" class="btn btn-primary">Add Note</button>
+            </form>
+
+            {% if notes %}
+                <ul class="list-group">
+                    {% for note in notes %}
+                        <li class="list-group-item">
+                            <p class="mb-1">{{ note.note }}</p>
+                            <small class="text-muted">by {{ note.user.username }} on {{ note.created_at|date:"Y-m-d" }}</small>
+                        </li>
+                    {% endfor %}
+                </ul>
+            {% else %}
+                <p>No notes yet.</p>
+            {% endif %}
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/tender_list.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h1>Tenders for {{ company.name }}</h1>
+        <a href="{% url 'create_tender' company.id %}" class="btn btn-primary">Create Tender</a>
+    </div>
+
+    {% if tenders %}
+        <ul class="list-group">
+            {% for tender in tenders %}
+                <li class="list-group-item d-flex justify-content-between align-items-center">
+                    <a href="{% url 'tender_detail' tender.id %}">{{ tender.title }}</a>
+                    <div>
+                        <a href="{% url 'update_tender' tender.id %}" class="btn btn-sm btn-outline-primary">Update</a>
+                        <a href="{% url 'delete_tender' tender.id %}" class="btn btn-sm btn-outline-danger">Delete</a>
+                    </div>
+                </li>
+            {% endfor %}
+        </ul>
+    {% else %}
+        <div class="p-5 bg-light rounded">
+            <h2>No tenders yet.</h2>
+            <p class="lead">Get started by creating a new tender.</p>
+        </div>
+    {% endif %}
+</div>
+{% endblock %}

core/templates/core/update_bid.html

@@ -0,0 +1,21 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Update Bid</h1>
+        </div>
+        <div class="card-body">
+            <form method="post">
+                {% csrf_token %}
+                {{ form.as_p }}
+                <button type="submit" class="btn btn-primary">Update Bid</button>
+            </form>
+        </div>
+        <div class="card-footer">
+            <a href="{% url 'tender_detail' bid.tender.id %}" class="btn btn-secondary">Back to Tender</a>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/templates/core/update_tender.html

@@ -0,0 +1,21 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="card">
+        <div class="card-header">
+            <h1 class="card-title">Update Tender</h1>
+        </div>
+        <div class="card-body">
+            <form method="post">
+                {% csrf_token %}
+                {{ form.as_p }}
+                <button type="submit" class="btn btn-primary">Update Tender</button>
+            </form>
+        </div>
+        <div class="card-footer">
+            <a href="{% url 'tender_detail' tender.id %}" class="btn btn-secondary">Back to Tender</a>
+        </div>
+    </div>
+</div>
+{% endblock %}

core/urls.py

@@ -1,7 +1,22 @@
 from django.urls import path
-
-from .views import home
+from django.contrib.auth import views as auth_views
+from . import views
 
 urlpatterns = [
-    path("", home, name="home"),
-]
+    path('signup/', views.signup, name='signup'),
+    path('login/', auth_views.LoginView.as_view(template_name='core/login.html'), name='login'),
+    path('logout/', views.logout_view, name='logout'),
+    path('dashboard/', views.dashboard, name='dashboard'),
+    path('create_company/', views.create_company, name='create_company'),
+    path('company/<int:company_id>/tenders/', views.tender_list, name='tender_list'),
+    path('tender/<int:tender_id>/', views.tender_detail, name='tender_detail'),
+    path('tender/<int:tender_id>/update_status/<str:next_status>/', views.update_tender_status, name='update_tender_status'),
+    path('company/<int:company_id>/create_tender/', views.create_tender, name='create_tender'),
+    path('tender/<int:tender_id>/update/', views.update_tender, name='update_tender'),
+    path('tender/<int:tender_id>/delete/', views.delete_tender, name='delete_tender'),
+    path('tender/<int:tender_id>/create_bid/', views.create_bid, name='create_bid'),
+    path('bid/<int:bid_id>/update/', views.update_bid, name='update_bid'),
+    path('bid/<int:bid_id>/delete/', views.delete_bid, name='delete_bid'),
+    path('bid/<int:bid_id>/approve/', views.approve_bid, name='approve_bid'),
+    path('', views.home, name='home'),
+]

core/views.py

@@ -1,37 +1,251 @@
-import os
-import platform
-
-from django import get_version as django_version
-from django.shortcuts import render
-from django.urls import reverse_lazy
-from django.utils import timezone
-from django.views.generic.edit import CreateView
-
-from .forms import TicketForm
-from .models import Ticket
-
+from django.shortcuts import render, redirect, get_object_or_404
+from django.contrib.auth import login, authenticate, logout
+from django.contrib.auth.decorators import login_required
+from .forms import SignUpForm, CompanyForm, TenderForm, BidForm, DocumentForm, NoteForm, ApprovalForm
+from .models import Company, Membership, Tender, Bid, Document, Note, Approval
+from .decorators import group_required
 
 def home(request):
-    """Render the landing screen with loader and environment details."""
-    host_name = request.get_host().lower()
-    agent_brand = "AppWizzy" if host_name == "appwizzy.com" else "Flatlogic"
-    now = timezone.now()
+    return render(request, "core/index.html")
+
+@login_required
+def dashboard(request):
+    memberships = Membership.objects.filter(user=request.user)
+    companies = [m.company for m in memberships]
+    context = {
+        'companies': companies
+    }
+    return render(request, "core/dashboard.html", context)
+
+def signup(request):
+    if request.method == 'POST':
+        form = SignUpForm(request.POST)
+        if form.is_valid():
+            user = form.save()
+            login(request, user)
+            return redirect('dashboard')
+    else:
+        form = SignUpForm()
+    return render(request, 'core/signup.html', {'form': form})
+
+def logout_view(request):
+    logout(request)
+    return redirect('home')
+
+@login_required
+def create_company(request):
+    if request.method == 'POST':
+        form = CompanyForm(request.POST)
+        if form.is_valid():
+            company = form.save()
+            Membership.objects.create(user=request.user, company=company, role='owner')
+            return redirect('dashboard')
+    else:
+        form = CompanyForm()
+    return render(request, 'core/create_company.html', {'form': form})
+
+@login_required
+def tender_list(request, company_id):
+    company = get_object_or_404(Company, pk=company_id)
+    tenders = Tender.objects.filter(company=company)
+    context = {
+        'company': company,
+        'tenders': tenders
+    }
+    return render(request, 'core/tender_list.html', context)
+
+@login_required
+def tender_detail(request, tender_id):
+    tender = get_object_or_404(Tender, pk=tender_id)
+    bids = Bid.objects.filter(tender=tender)
+    documents = Document.objects.filter(tender=tender)
+    notes = Note.objects.filter(tender=tender)
+
+    if request.method == 'POST':
+        if 'submit_document' in request.POST:
+            doc_form = DocumentForm(request.POST, request.FILES)
+            if doc_form.is_valid():
+                document = doc_form.save(commit=False)
+                document.tender = tender
+                document.uploaded_by = request.user
+                document.save()
+                return redirect('tender_detail', tender_id=tender.id)
+        elif 'submit_note' in request.POST:
+            note_form = NoteForm(request.POST)
+            if note_form.is_valid():
+                note = note_form.save(commit=False)
+                note.tender = tender
+                note.user = request.user
+                note.save()
+                return redirect('tender_detail', tender_id=tender.id)
+
+    doc_form = DocumentForm()
+    note_form = NoteForm()
+
+    # Workflow logic
+    current_status_index = [i for i, (value, display) in enumerate(Tender.STATUS_CHOICES) if value == tender.status][0]
+    next_status = Tender.STATUS_CHOICES[current_status_index + 1] if current_status_index + 1 < len(Tender.STATUS_CHOICES) else None
+
 
     context = {
-        "project_name": "New Style",
-        "agent_brand": agent_brand,
-        "django_version": django_version(),
-        "python_version": platform.python_version(),
-        "current_time": now,
-        "host_name": host_name,
-        "project_description": os.getenv("PROJECT_DESCRIPTION", ""),
-        "project_image_url": os.getenv("PROJECT_IMAGE_URL", ""),
+        'tender': tender,
+        'bids': bids,
+        'documents': documents,
+        'notes': notes,
+        'doc_form': doc_form,
+        'note_form': note_form,
+        'next_status': next_status,
     }
-    return render(request, "core/index.html", context)
+    return render(request, 'core/tender_detail.html', context)
+
+@login_required
+@group_required(['Head of Bids', 'Bid Administrator'])
+def update_tender_status(request, tender_id, next_status):
+    tender = get_object_or_404(Tender, pk=tender_id)
+    
+    # Find the index of the current status
+    current_status_index = [i for i, (value, display) in enumerate(Tender.STATUS_CHOICES) if value == tender.status][0]
+    
+    # Find the index of the next status
+    next_status_index = [i for i, (value, display) in enumerate(Tender.STATUS_CHOICES) if value == next_status][0]
+
+    # Check if the next status is valid
+    if next_status_index == current_status_index + 1:
+        tender.status = next_status
+        tender.save()
+
+    return redirect('tender_detail', tender_id=tender.id)
 
 
-class TicketCreateView(CreateView):
-    model = Ticket
-    form_class = TicketForm
-    template_name = "core/ticket_create.html"
-    success_url = reverse_lazy("home")
+@login_required
+def create_tender(request, company_id):
+    company = get_object_or_404(Company, pk=company_id)
+    if request.method == 'POST':
+        form = TenderForm(request.POST)
+        if form.is_valid():
+            tender = form.save(commit=False)
+            tender.company = company
+            tender.save()
+            return redirect('tender_list', company_id=company.id)
+    else:
+        form = TenderForm()
+    context = {
+        'form': form,
+        'company': company
+    }
+    return render(request, 'core/create_tender.html', context)
+
+@login_required
+def update_tender(request, tender_id):
+    tender = get_object_or_404(Tender, pk=tender_id)
+    if request.method == 'POST':
+        form = TenderForm(request.POST, instance=tender)
+        if form.is_valid():
+            form.save()
+            return redirect('tender_detail', tender_id=tender.id)
+    else:
+        form = TenderForm(instance=tender)
+    context = {
+        'form': form,
+        'tender': tender
+    }
+    return render(request, 'core/update_tender.html', context)
+
+@login_required
+def delete_tender(request, tender_id):
+    tender = get_object_or_404(Tender, pk=tender_id)
+    if request.method == 'POST':
+        company_id = tender.company.id
+        tender.delete()
+        return redirect('tender_list', company_id=company_id)
+    context = {
+        'tender': tender
+    }
+    return render(request, 'core/delete_tender.html', context)
+
+@login_required
+def create_bid(request, tender_id):
+    tender = get_object_or_404(Tender, pk=tender_id)
+    membership = Membership.objects.filter(user=request.user).first()
+    if not membership:
+        # Handle case where user has no company
+        return redirect('dashboard') # Or show an error
+    
+    company = membership.company
+
+    if request.method == 'POST':
+        form = BidForm(request.POST)
+        if form.is_valid():
+            bid = form.save(commit=False)
+            bid.tender = tender
+            bid.company = company
+            bid.save()
+            return redirect('tender_detail', tender_id=tender.id)
+    else:
+        form = BidForm()
+    
+    context = {
+        'form': form,
+        'tender': tender
+    }
+    return render(request, 'core/create_bid.html', context)
+
+@login_required
+def update_bid(request, bid_id):
+    bid = get_object_or_404(Bid, pk=bid_id)
+    if request.method == 'POST':
+        form = BidForm(request.POST, instance=bid)
+        if form.is_valid():
+            form.save()
+            return redirect('tender_detail', tender_id=bid.tender.id)
+    else:
+        form = BidForm(instance=bid)
+    context = {
+        'form': form,
+        'bid': bid
+    }
+    return render(request, 'core/update_bid.html', context)
+
+@login_required
+def delete_bid(request, bid_id):
+    bid = get_object_or_404(Bid, pk=bid_id)
+    if request.method == 'POST':
+        tender_id = bid.tender.id
+        bid.delete()
+        return redirect('tender_detail', tender_id=tender_id)
+    context = {
+        'bid': bid
+    }
+    return render(request, 'core/delete_bid.html', context)
+
+@login_required
+def approve_bid(request, bid_id):
+    bid = get_object_or_404(Bid, pk=bid_id)
+    approval, created = Approval.objects.get_or_create(bid=bid, approver=request.user)
+
+    if request.method == 'POST':
+        form = ApprovalForm(request.POST, instance=approval)
+        if form.is_valid():
+            form.save()
+            return redirect('tender_detail', tender_id=bid.tender.id)
+    else:
+        form = ApprovalForm(instance=approval)
+
+    context = {
+        'form': form,
+        'bid': bid
+    }
+    return render(request, 'core/approve_bid.html', context)
+
+@login_required
+def delete_document(request, document_id):
+    document = get_object_or_404(Document, pk=document_id)
+    if request.method == 'POST':
+        tender_id = document.tender.id
+        document.delete()
+        return redirect('tender_detail', tender_id=tender_id)
+    context = {
+        'document': document
+    }
+    return render(request, 'core/delete_document.html', context)
+

requirements.txt

@@ -1,3 +1,4 @@
 Django==5.2.7
 mysqlclient==2.2.7
 python-dotenv==1.1.1
+requests==2.31.0

static/css/custom.css

@@ -0,0 +1,63 @@
+
+body {
+    background-color: #f8f9fa;
+    color: #333;
+    font-family: 'Inter', sans-serif;
+}
+
+.header {
+    border-bottom: 1px solid #e9ecef;
+    background-color: #fff;
+    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
+}
+
+.hero-section {
+    padding: 4rem 0;
+    text-align: center;
+    background-color: #fff;
+}
+
+.hero-section h1 {
+    font-size: 3.5rem;
+    font-weight: 700;
+    color: #212529;
+}
+
+.hero-section .lead {
+    font-size: 1.25rem;
+    color: #6c757d;
+}
+
+.hero-section .btn-primary {
+    background-color: #0d6efd;
+    border-color: #0d6efd;
+    font-size: 1.25rem;
+    padding: 0.75rem 1.5rem;
+}
+
+.features-section {
+    padding: 4rem 0;
+}
+
+.features-section h2 {
+    text-align: center;
+    margin-bottom: 3rem;
+    font-size: 2.5rem;
+    font-weight: 700;
+}
+
+.feature-card {
+    text-align: center;
+    padding: 2rem;
+    border: 1px solid #e9ecef;
+    border-radius: 0.5rem;
+    background-color: #fff;
+    margin-bottom: 2rem;
+    height: 100%;
+}
+
+.feature-icon {
+    font-size: 3rem;
+    color: #0d6efd;
+    margin-bottom: 1rem;
+}

staticfiles/css/custom.css

@@ -1,21 +1,63 @@
 
-:root {
-    --bg-color-start: #6a11cb;
-    --bg-color-end: #2575fc;
-    --text-color: #ffffff;
-    --card-bg-color: rgba(255, 255, 255, 0.01);
-    --card-border-color: rgba(255, 255, 255, 0.1);
-}
 body {
-    margin: 0;
+    background-color: #f8f9fa;
+    color: #333;
     font-family: 'Inter', sans-serif;
-    background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-    color: var(--text-color);
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    min-height: 100vh;
-    text-align: center;
-    overflow: hidden;
-    position: relative;
+}
+
+.header {
+    border-bottom: 1px solid #e9ecef;
+    background-color: #fff;
+    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
+}
+
+.hero-section {
+    padding: 4rem 0;
+    text-align: center;
+    background-color: #fff;
+}
+
+.hero-section h1 {
+    font-size: 3.5rem;
+    font-weight: 700;
+    color: #212529;
+}
+
+.hero-section .lead {
+    font-size: 1.25rem;
+    color: #6c757d;
+}
+
+.hero-section .btn-primary {
+    background-color: #0d6efd;
+    border-color: #0d6efd;
+    font-size: 1.25rem;
+    padding: 0.75rem 1.5rem;
+}
+
+.features-section {
+    padding: 4rem 0;
+}
+
+.features-section h2 {
+    text-align: center;
+    margin-bottom: 3rem;
+    font-size: 2.5rem;
+    font-weight: 700;
+}
+
+.feature-card {
+    text-align: center;
+    padding: 2rem;
+    border: 1px solid #e9ecef;
+    border-radius: 0.5rem;
+    background-color: #fff;
+    margin-bottom: 2rem;
+    height: 100%;
+}
+
+.feature-icon {
+    font-size: 3rem;
+    color: #0d6efd;
+    margin-bottom: 1rem;
 }