This commit refactors the models in the 'models' app, specifically 'clients' and 'services' modules. It includes the PhoneNumberField in the Client model and adds a new Credential model to the services module. The Service model has been modified to include new fields and relationships.

src/admin/projects.py

@@ -0,0 +1,233 @@
+from django.contrib import admin
+from django.utils import timezone
+from django.utils.html import format_html
+from django.utils.translation import gettext_lazy as _
+
+from src.admin.base import admin_site
+from src.models.projects import Milestone, Project, Task
+
+
+class MilestoneInline(admin.TabularInline):
+    model = Milestone
+    extra = 1
+    fields = ("title", "due_date", "is_completed")
+    show_change_link = True
+    ordering = ("due_date",)
+    verbose_name_plural = "Milestones"
+
+
+class TaskInline(admin.TabularInline):
+    model = Task
+    extra = 1
+    fields = ("title", "status", "due_date")
+    show_change_link = True
+    ordering = ("status", "due_date")
+    verbose_name_plural = "Tasks"
+
+
+@admin.register(Project, site=admin_site)
+class ProjectAdmin(admin.ModelAdmin):
+    list_display = (
+        "name_display",
+        "client_display",
+        "status_badge",
+        "start_date",
+        "deadline",
+        "budget_display",
+    )
+    list_filter = ("status", "client", "start_date", "deadline")
+    search_fields = ("name", "client__name", "description")
+    ordering = ("-created_at",)
+    list_per_page = 25
+    inlines = [MilestoneInline, TaskInline]
+
+    fieldsets = (
+        (
+            _("Project Overview"),
+            {
+                "fields": ("client", "name", "description", "status"),
+            },
+        ),
+        (
+            _("Timeline"),
+            {
+                "fields": ("start_date", "deadline"),
+                "description": "Start and deadline dates help in tracking project progress.",
+            },
+        ),
+        (
+            _("Financials"),
+            {
+                "fields": ("budget",),
+            },
+        ),
+        (
+            _("Timestamps"),
+            {
+                "fields": ("created_at", "updated_at"),
+                "classes": ("collapse",),
+            },
+        ),
+    )
+
+    readonly_fields = ("created_at", "updated_at")
+
+    def name_display(self, obj):
+        return format_html("<strong>{}</strong>", obj.name)
+
+    name_display.short_description = "Project"
+
+    def client_display(self, obj):
+        return obj.client.name
+
+    client_display.short_description = "Client"
+
+    def status_badge(self, obj):
+        color_map = {
+            "PLANNING": "#6c757d",
+            "IN_PROGRESS": "#007bff",
+            "ON_HOLD": "#ffc107",
+            "COMPLETED": "#28a745",
+            "CANCELLED": "#dc3545",
+        }
+        color = color_map.get(obj.status, "#999")
+        return format_html(
+            "<span style='background:{}; color:white; padding:3px 8px; border-radius:6px; font-size:12px;'>{}</span>",
+            color,
+            obj.get_status_display(),
+        )
+
+    status_badge.short_description = "Status"
+
+    def budget_display(self, obj):
+        return format_html("<b>${:,.2f}</b>", obj.budget) if obj.budget else "—"
+
+    budget_display.short_description = "Budget"
+
+    def save_model(self, request, obj, form, change):
+        if obj.deadline and obj.start_date and obj.deadline < obj.start_date:
+            self.message_user(
+                request,
+                "⚠️ Deadline cannot be earlier than start date.",
+                level="warning",
+            )
+        super().save_model(request, obj, form, change)
+
+
+@admin.register(Milestone, site=admin_site)
+class MilestoneAdmin(admin.ModelAdmin):
+    list_display = ("title_display", "project_display", "due_date", "status_badge")
+    list_filter = ("is_completed", "due_date", "project")
+    search_fields = ("title", "project__name")
+    ordering = ("due_date",)
+
+    fieldsets = (
+        (
+            _("Milestone Info"),
+            {
+                "fields": ("project", "title", "due_date", "is_completed"),
+            },
+        ),
+    )
+
+    def title_display(self, obj):
+        return format_html("<strong>{}</strong>", obj.title)
+
+    title_display.short_description = "Title"
+
+    def project_display(self, obj):
+        return obj.project.name
+
+    project_display.short_description = "Project"
+
+    def status_badge(self, obj):
+        color = "#28a745" if obj.is_completed else "#dc3545"
+        text = "Completed" if obj.is_completed else "Pending"
+        return format_html(
+            "<span style='background:{}; color:white; padding:2px 7px; border-radius:5px; font-size:12px;'>{}</span>",
+            color,
+            text,
+        )
+
+    status_badge.short_description = "Status"
+
+
+@admin.register(Task, site=admin_site)
+class TaskAdmin(admin.ModelAdmin):
+    list_display = (
+        "title_display",
+        "project_display",
+        "status_badge",
+        "due_date_display",
+    )
+    list_filter = ("status", "due_date", "project")
+    search_fields = ("title", "project__name", "description")
+    ordering = ("status", "due_date")
+
+    fieldsets = (
+        (
+            _("Task Info"),
+            {
+                "fields": ("project", "title", "description", "status"),
+            },
+        ),
+        (
+            _("Schedule"),
+            {
+                "fields": ("due_date",),
+                "description": "Due date cannot be in the past.",
+            },
+        ),
+        (
+            _("Timestamps"),
+            {
+                "fields": ("created_at", "updated_at"),
+                "classes": ("collapse",),
+            },
+        ),
+    )
+    readonly_fields = ("created_at", "updated_at")
+
+    def title_display(self, obj):
+        return format_html("<strong>{}</strong>", obj.title)
+
+    title_display.short_description = "Title"
+
+    def project_display(self, obj):
+        return obj.project.name
+
+    project_display.short_description = "Project"
+
+    def due_date_display(self, obj):
+        if not obj.due_date:
+            return format_html("<span style='color:#999;'>No due date</span>")
+        elif obj.due_date < timezone.localdate():
+            return format_html("<span style='color:#dc3545;'>{}</span>", obj.due_date)
+        elif obj.due_date == timezone.localdate():
+            return format_html("<span style='color:#f39c12;'>Today</span>")
+        return obj.due_date
+
+    due_date_display.short_description = "Due Date"
+
+    def status_badge(self, obj):
+        color_map = {
+            "TODO": "#6c757d",
+            "IN_PROGRESS": "#007bff",
+            "REVIEW": "#ffc107",
+            "DONE": "#28a745",
+        }
+        color = color_map.get(obj.status, "#333")
+        return format_html(
+            "<span style='background:{}; color:white; padding:3px 8px; border-radius:6px; font-size:12px;'>{}</span>",
+            color,
+            obj.get_status_display(),
+        )
+
+    status_badge.short_description = "Status"
+
+    def save_model(self, request, obj, form, change):
+        if obj.due_date and obj.due_date < timezone.localdate():
+            self.message_user(
+                request, "⚠️ Due date cannot be in the past.", level="warning"
+            )
+        super().save_model(request, obj, form, change)