feat(server): impl context model (#11027)

packages/backend/server/src/models/copilot-session.ts

@@ -0,0 +1,36 @@
+import { Injectable } from '@nestjs/common';
+
+import { BaseModel } from './base';
+
+interface ChatSessionState {
+  sessionId: string;
+  workspaceId: string;
+  docId: string;
+  // connect ids
+  userId: string;
+  promptName: string;
+}
+
+// TODO(@darkskygit): not ready to replace business codes yet, just for test
+@Injectable()
+export class CopilotSessionModel extends BaseModel {
+  async create(state: ChatSessionState) {
+    const row = await this.db.aiSession.create({
+      data: {
+        id: state.sessionId,
+        workspaceId: state.workspaceId,
+        docId: state.docId,
+        // connect
+        userId: state.userId,
+        promptName: state.promptName,
+      },
+    });
+    return row;
+  }
+
+  async createPrompt(name: string, model: string) {
+    await this.db.aiPrompt.create({
+      data: { name, model },
+    });
+  }
+}