Initial import into Gitea

Management/Controllers/Admin/AdminCampaignsController.cs

@@ -0,0 +1,38 @@
+using Management.Data;
+using Management.Security;
+using Microsoft.AspNetCore.Mvc;
+using System.Text.Json;
+
+namespace Management.Controllers.Admin;
+
+/// <summary>
+/// Admin endpoints for campaign (initiative) management.
+/// Lists initiatives across all clients with their channel campaign details.
+/// Requires Admin role.
+/// 
+/// ENDPOINTS:
+/// GET    /api/admin/campaigns            - List all initiatives with channels
+/// GET    /api/admin/campaigns/{id}       - Get initiative detail with channels
+/// </summary>
+[ApiController]
+[Route("api/admin/campaigns")]
+public sealed class AdminCampaignsController : AdminControllerBase
+{
+    public AdminCampaignsController(SqlService sql, ClientContext client, ILogger<AdminCampaignsController> log)
+        : base(sql, client, log) { }
+
+    /// <summary>
+    /// List all initiatives across all clients, with nested channel campaigns.
+    /// Optional filters: status, clientId, dateFrom, dateTo.
+    /// </summary>
+    [HttpPost("list")]
+    public Task<IActionResult> List([FromBody] JsonElement body, CancellationToken ct)
+        => CallProc("spAdminCampaigns", "list", body.ToString(), ct);
+
+    /// <summary>
+    /// Get initiative by ID with full channel campaign details.
+    /// </summary>
+    [HttpGet("{initiativeId:long}")]
+    public Task<IActionResult> Get(long initiativeId, CancellationToken ct)
+        => CallProc("spAdminCampaigns", "get", new { initiativeId }, ct);
+}