fix: close sms scheduling and billing gaps

api/src/channels/channels.service.ts

@@ -92,6 +92,26 @@ export interface CreateReceiptImportDto {
   result?: Record<string, unknown>;
 }
 
+export interface UpsertConnectionStateDto {
+  tenantId?: string;
+  channelId: string;
+  connectionId: string;
+  status: string;
+  desiredConnections?: number;
+  currentConnections?: number;
+  lastConnectedAt?: string;
+  lastDisconnectedAt?: string;
+  lastHeartbeatAt?: string;
+  reconnectCount?: number;
+  lastError?: string;
+}
+
+export interface ChangeChannelStatusDto {
+  status: string;
+  operatorId?: string;
+  reason?: string;
+}
+
 @Injectable()
 export class ChannelsService {
   constructor(private readonly prisma: PrismaService) {}
@@ -122,6 +142,28 @@ export class ChannelsService {
     });
   }
 
+  async changeChannelStatus(channelId: string, data: ChangeChannelStatusDto) {
+    const channel = await this.prisma.smsChannel.findUnique({ where: { id: channelId } });
+    if (!channel) {
+      throw new NotFoundException('Channel not found');
+    }
+    const updated = await this.prisma.smsChannel.update({ where: { id: channelId }, data: { status: data.status } });
+    await this.prisma.operationLog.create({
+      data: {
+        userId: data.operatorId,
+        action: `sms_channel.${data.status}`,
+        resource: 'sms_channel',
+        resourceId: channelId,
+        detail: {
+          statusBefore: channel.status,
+          statusAfter: data.status,
+          reason: data.reason,
+        } as Prisma.InputJsonValue,
+      },
+    });
+    return updated;
+  }
+
   testChannel(channelId: string) {
     return {
       channelId,
@@ -138,6 +180,46 @@ export class ChannelsService {
     });
   }
 
+  listChannelConnections(channelId: string) {
+    return this.prisma.cmppConnectionState.findMany({
+      where: { channelId },
+      orderBy: { updatedAt: 'desc' },
+      take: 100,
+    });
+  }
+
+  listTenantConnections(tenantId: string) {
+    return this.prisma.cmppConnectionState.findMany({
+      where: { tenantId },
+      include: { channel: true },
+      orderBy: { updatedAt: 'desc' },
+      take: 100,
+    });
+  }
+
+  upsertConnectionState(data: UpsertConnectionStateDto) {
+    const payload = {
+      tenantId: data.tenantId,
+      status: data.status,
+      desiredConnections: data.desiredConnections ?? 1,
+      currentConnections: data.currentConnections ?? (data.status === 'online' || data.status === 'connected' ? 1 : 0),
+      lastConnectedAt: data.lastConnectedAt ? new Date(data.lastConnectedAt) : undefined,
+      lastDisconnectedAt: data.lastDisconnectedAt ? new Date(data.lastDisconnectedAt) : undefined,
+      lastHeartbeatAt: data.lastHeartbeatAt ? new Date(data.lastHeartbeatAt) : undefined,
+      reconnectCount: data.reconnectCount ?? 0,
+      lastError: data.lastError,
+    };
+    return this.prisma.cmppConnectionState.upsert({
+      where: { channelId_connectionId: { channelId: data.channelId, connectionId: data.connectionId } },
+      update: payload,
+      create: {
+        channelId: data.channelId,
+        connectionId: data.connectionId,
+        ...payload,
+      },
+    });
+  }
+
   listGroups() {
     return this.prisma.smsChannelGroup.findMany({
       include: { items: { include: { channel: true } } },