86 lines
2.6 KiB
Go
86 lines
2.6 KiB
Go
package handlers
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import (
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"github.com/drama-generator/backend/application/services"
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"github.com/drama-generator/backend/pkg/config"
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"github.com/drama-generator/backend/pkg/logger"
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"github.com/drama-generator/backend/pkg/response"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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type ScriptGenerationHandler struct {
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scriptService *services.ScriptGenerationService
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taskService *services.TaskService
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log *logger.Logger
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}
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func NewScriptGenerationHandler(db *gorm.DB, cfg *config.Config, log *logger.Logger) *ScriptGenerationHandler {
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return &ScriptGenerationHandler{
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scriptService: services.NewScriptGenerationService(db, cfg, log),
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taskService: services.NewTaskService(db, log),
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log: log,
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}
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}
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func (h *ScriptGenerationHandler) GenerateCharacters(c *gin.Context) {
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var req services.GenerateCharactersRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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response.BadRequest(c, err.Error())
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return
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}
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// 创建异步任务
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task, err := h.taskService.CreateTask("character_generation", req.DramaID)
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if err != nil {
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h.log.Errorw("Failed to create task", "error", err)
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response.InternalError(c, err.Error())
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return
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}
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// 复制req值，避免goroutine中使用指针导致的并发问题
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reqCopy := req
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// 启动后台goroutine处理
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go h.processCharacterGeneration(task.ID, &reqCopy)
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// 立即返回任务ID
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response.Success(c, gin.H{
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"task_id": task.ID,
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"status": "pending",
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"message": "角色生成任务已创建，正在后台处理...",
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})
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}
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// processCharacterGeneration 后台处理角色生成
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func (h *ScriptGenerationHandler) processCharacterGeneration(taskID string, req *services.GenerateCharactersRequest) {
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h.log.Infow("Starting character generation", "task_id", taskID, "drama_id", req.DramaID)
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// 更新任务状态为处理中
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if err := h.taskService.UpdateTaskStatus(taskID, "processing", 10, "开始生成角色..."); err != nil {
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h.log.Errorw("Failed to update task status", "error", err)
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}
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// 调用实际的生成逻辑
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characters, err := h.scriptService.GenerateCharacters(req)
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if err != nil {
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h.log.Errorw("Failed to generate characters", "error", err, "task_id", taskID)
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if updateErr := h.taskService.UpdateTaskError(taskID, err); updateErr != nil {
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h.log.Errorw("Failed to update task error", "error", updateErr)
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}
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return
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}
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// 更新任务结果
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result := gin.H{
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"characters": characters,
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"total": len(characters),
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}
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if err := h.taskService.UpdateTaskResult(taskID, result); err != nil {
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h.log.Errorw("Failed to update task result", "error", err)
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return
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}
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h.log.Infow("Character generation completed", "task_id", taskID, "total", len(characters))
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}
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