feat(agent): 创作助手 - 完成第一期交互与执行基线

backend/internal/handler/creation.go

@@ -0,0 +1,87 @@
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+	"infinite-canvas/backend/internal/service"
+	"net/http"
+)
+
+func RegisterCreationRoutes(r *gin.RouterGroup, svc *service.Service) {
+	read := func(action string) gin.HandlerFunc {
+		return func(c *gin.Context) {
+			user, err := currentUser(c, svc)
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			var value any
+			switch action {
+			case "list":
+				value, err = svc.ListCreationRuns(user.ID)
+			case "get":
+				value, err = svc.GetCreationRun(user.ID, c.Param("id"))
+			case "snapshot":
+				value, err = svc.CreationCanvasSnapshot(user.ID, c.Param("id"))
+			}
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			ok(c, value)
+		}
+	}
+	write := func(action string) gin.HandlerFunc {
+		return func(c *gin.Context) {
+			user, err := currentUser(c, svc)
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 2<<20)
+			var req service.CreationRequest
+			if err = c.ShouldBindJSON(&req); err != nil {
+				fail(c, http.StatusBadRequest, err)
+				return
+			}
+			var value any
+			id := c.Param("id")
+			switch action {
+			case "create":
+				value, err = svc.CreateCreationRun(user.ID, req)
+			case "prepare":
+				value, err = svc.PrepareCreationSubmission(user.ID, id, req)
+			case "approve":
+				value, err = svc.ApproveCreationSubmissions(user.ID, id, req)
+			case "refresh-quote":
+				value, err = svc.RefreshCreationSubmission(user.ID, id, req)
+			case "execute":
+				value, err = svc.ExecuteCreationSubmission(user.ID, id, req)
+			case "canvas":
+				value, err = svc.CreateRunCanvas(user.ID, id, req)
+			case "commit":
+				value, err = svc.CommitCreationCanvas(user.ID, id, req)
+			default:
+				value, err = svc.ChangeCreationRun(user.ID, id, action, req)
+			}
+			if err != nil {
+				failService(c, err)
+				return
+			}
+			ok(c, value)
+		}
+	}
+	r.GET("/creation-runs", read("list"))
+	r.POST("/creation-runs", write("create"))
+	r.GET("/creation-runs/:id", read("get"))
+	r.PATCH("/creation-runs/:id", write("save"))
+	for _, action := range []string{"claim", "heartbeat", "release", "proposal-approve", "proposal-invalidate"} {
+		r.POST("/creation-runs/:id/"+action, write(action))
+	}
+	r.POST("/creation-runs/:id/submissions/prepare", write("prepare"))
+	r.POST("/creation-runs/:id/submissions/approve", write("approve"))
+	r.POST("/creation-runs/:id/submissions/refresh", write("refresh-quote"))
+	r.POST("/creation-runs/:id/execute", write("execute"))
+	r.POST("/creation-runs/:id/canvas", write("canvas"))
+	r.GET("/creation-runs/:id/canvas-snapshot", read("snapshot"))
+	r.POST("/creation-runs/:id/canvas-commit", write("commit"))
+}