api contact

apps/phone_contacts_api/views.py

@@ -0,0 +1,84 @@
+import re
+
+from django.db.models import Case, IntegerField, Q, Value, When
+from django.http import JsonResponse
+from django.views.decorators.http import require_GET
+
+from apps.customers.models import CustomerProfile
+
+from .models import PhoneContactApiKey
+
+
+_PHONE_DIGITS = str.maketrans("۰۱۲۳۴۵۶۷۸۹٠١٢٣٤٥٦٧٨٩", "01234567890123456789")
+
+
+def _dialable_number(value):
+    number = re.sub(r"[\s().-]", "", str(value or "").translate(_PHONE_DIGITS))
+    return number if 0 < len(number) <= 64 and re.fullmatch(r"[0-9+*#]+", number) else ""
+
+
+def _json(data, status=200):
+    response = JsonResponse(data, status=status, json_dumps_params={"ensure_ascii": False})
+    response["Cache-Control"] = "no-store"
+    return response
+
+
+@require_GET
+def phone_contacts(request):
+    authorization = request.headers.get("Authorization", "")
+    scheme, separator, token = authorization.partition(" ")
+    if not separator or scheme.lower() != "bearer" or not token or token != token.strip():
+        return _json({"error": "unauthorized"}, 401)
+
+    credential = PhoneContactApiKey.objects.filter(pk=1, is_active=True).first()
+    if not credential or not credential.accepts(token):
+        return _json({"error": "unauthorized"}, 401)
+
+    query = request.GET.get("search", "").strip()[:80]
+    if len(query) < 2:
+        return _json({"contacts": []})
+
+    try:
+        limit = min(50, max(1, int(request.GET.get("limit", "50"))))
+    except ValueError:
+        return _json({"error": "invalid limit"}, 400)
+
+    query = query.translate(str.maketrans({"ي": "ی", "ك": "ک", "۰": "0", "۱": "1", "۲": "2", "۳": "3", "۴": "4", "۵": "5", "۶": "6", "۷": "7", "۸": "8", "۹": "9"}))
+    contacts = CustomerProfile.objects.select_related("user").filter(
+        user__account_type="CUSTOMER", user__is_active=True, user__mobile__isnull=False
+    ).exclude(user__mobile="").filter(
+        Q(first_name__gt="") | Q(last_name__gt="") | Q(organization_name__gt="") |
+        Q(user__first_name__gt="") | Q(user__last_name__gt="")
+    )
+    for word in re.split(r"\s+", query):
+        contacts = contacts.filter(
+            Q(first_name__icontains=word) | Q(last_name__icontains=word) |
+            Q(organization_name__icontains=word) | Q(user__first_name__icontains=word) |
+            Q(user__last_name__icontains=word) | Q(user__mobile__icontains=word)
+        )
+
+    preferred = (
+        Q(first_name__iexact=query) | Q(last_name__iexact=query) |
+        Q(organization_name__iexact=query) | Q(user__first_name__iexact=query) |
+        Q(user__last_name__iexact=query)
+    )
+    starts_with = (
+        Q(first_name__istartswith=query) | Q(last_name__istartswith=query) |
+        Q(organization_name__istartswith=query) | Q(user__first_name__istartswith=query) |
+        Q(user__last_name__istartswith=query)
+    )
+    contacts = contacts.annotate(_search_rank=Case(
+        When(preferred, then=Value(0)),
+        When(starts_with, then=Value(1)),
+        default=Value(2), output_field=IntegerField(),
+    )).order_by("_search_rank", "pk")
+
+    results = []
+    for profile in contacts[:limit]:
+        name = (f"{profile.first_name} {profile.last_name}".strip() or
+                f"{profile.user.first_name} {profile.user.last_name}".strip() or
+                profile.organization_name.strip())[:120]
+        number = _dialable_number(profile.user.local_mobile)
+        if name and number:
+            results.append({"name": name, "phones": [{"type": "همراه", "number": number}]})
+    return _json({"contacts": results})