feat: support shared pet care tasks and smooth daily page return

pets-be/internal/httpapi/tasks.go

@@ -16,7 +16,8 @@ import (
 var clockPattern = regexp.MustCompile(`^([01][0-9]|2[0-3]):[0-5][0-9]$`)
 
 type taskInput struct {
-	PetID           string `json:"pet_id" binding:"required"`
+	PetID           string `json:"pet_id"`
+	AllPets         bool   `json:"all_pets"`
 	Title           string `json:"title" binding:"required"`
 	Category        string `json:"category"`
 	TimeOfDay       string `json:"time_of_day"`
@@ -50,7 +51,7 @@ func (a *API) listTasks(c *gin.Context) {
 			fail(c, http.StatusNotFound, "宠物不存在")
 			return
 		}
-		query = query.Where("pet_id = ?", petID)
+		query = query.Where("(pet_id = ? OR pet_id IS NULL)", petID)
 	}
 	var tasks []model.CareTask
 	if err := query.Order("time_of_day ASC").Find(&tasks).Error; err != nil {
@@ -76,7 +77,7 @@ func (a *API) listTasks(c *gin.Context) {
 }
 
 func taskView(task model.CareTask, completed bool) gin.H {
-	return gin.H{"id": task.ID, "pet_id": task.PetID, "title": task.Title,
+	return gin.H{"id": task.ID, "pet_id": task.PetID, "all_pets": task.PetID == nil, "title": task.Title,
 		"category": task.Category, "time_of_day": task.TimeOfDay,
 		"repeat_rule": task.RepeatRule, "reminder_enabled": task.ReminderEnabled,
 		"completed": completed}
@@ -84,9 +85,26 @@ func taskView(task model.CareTask, completed bool) gin.H {
 
 func (a *API) buildTask(c *gin.Context, in taskInput) (model.CareTask, bool) {
 	task := model.CareTask{}
-	if _, err := a.ownedPet(actor(c), in.PetID); err != nil {
+	var petID *string
+	if in.AllPets {
+		if in.PetID != "" {
+			fail(c, http.StatusBadRequest, "全部宠物与单只宠物不能同时选择")
+			return task, false
+		}
+		var count int64
+		if err := a.db.Model(&model.Pet{}).Where("user_id = ? AND archived = false", actor(c)).Count(&count).Error; err != nil {
+			fail(c, http.StatusInternalServerError, "读取宠物失败")
+			return task, false
+		}
+		if count == 0 {
+			fail(c, http.StatusBadRequest, "请先添加宠物")
+			return task, false
+		}
+	} else if _, err := a.ownedPet(actor(c), in.PetID); err != nil {
 		fail(c, http.StatusNotFound, "宠物不存在")
 		return task, false
+	} else {
+		petID = &in.PetID
 	}
 	in.Title = strings.TrimSpace(in.Title)
 	if in.Title == "" || len([]rune(in.Title)) > 128 {
@@ -110,7 +128,7 @@ func (a *API) buildTask(c *gin.Context, in taskInput) (model.CareTask, bool) {
 		fail(c, http.StatusBadRequest, "重复规则无效")
 		return task, false
 	}
-	task = model.CareTask{UserID: actor(c), PetID: in.PetID, Title: in.Title,
+	task = model.CareTask{UserID: actor(c), PetID: petID, Title: in.Title,
 		Category: in.Category, TimeOfDay: in.TimeOfDay, RepeatRule: in.RepeatRule,
 		ReminderEnabled: in.ReminderEnabled}
 	return task, true