基本功能复刻完成

internal/handler/admin_knowledge_api.go

@@ -0,0 +1,91 @@
+package handler
+
+import (
+	"net/http"
+	"time"
+	"xboard-go/internal/database"
+	"xboard-go/internal/model"
+
+	"github.com/gin-gonic/gin"
+)
+
+// AdminKnowledgeFetch handles fetching of knowledge base articles.
+func AdminKnowledgeFetch(c *gin.Context) {
+	id := c.Query("id")
+	if id != "" {
+		var knowledge model.Knowledge
+		if err := database.DB.Where("id = ?", id).First(&knowledge).Error; err != nil {
+			Fail(c, http.StatusNotFound, "Article not found")
+			return
+		}
+		Success(c, knowledge)
+		return
+	}
+
+	var data []model.Knowledge
+	database.DB.Select("id", "title", "category", "show", "updated_at", "sort").
+		Order("sort ASC, id DESC").
+		Find(&data)
+	Success(c, data)
+}
+
+// AdminKnowledgeSave creates or updates a knowledge base article.
+func AdminKnowledgeSave(c *gin.Context) {
+	var payload model.Knowledge
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		Fail(c, http.StatusBadRequest, "invalid request body")
+		return
+	}
+
+	payload.UpdatedAt = time.Now().Unix()
+	if payload.ID > 0 {
+		if err := database.DB.Model(&model.Knowledge{}).Where("id = ?", payload.ID).Updates(payload).Error; err != nil {
+			Fail(c, http.StatusInternalServerError, "failed to update article")
+			return
+		}
+	} else {
+		payload.CreatedAt = time.Now().Unix()
+		if err := database.DB.Create(&payload).Error; err != nil {
+			Fail(c, http.StatusInternalServerError, "failed to create article")
+			return
+		}
+	}
+
+	Success(c, true)
+}
+
+// AdminKnowledgeDrop deletes a knowledge base article.
+func AdminKnowledgeDrop(c *gin.Context) {
+	var payload struct {
+		ID int `json:"id"`
+	}
+	if err := c.ShouldBindJSON(&payload); err != nil || payload.ID <= 0 {
+		Fail(c, http.StatusBadRequest, "article id is required")
+		return
+	}
+
+	if err := database.DB.Where("id = ?", payload.ID).Delete(&model.Knowledge{}).Error; err != nil {
+		Fail(c, http.StatusInternalServerError, "failed to delete article")
+		return
+	}
+	Success(c, true)
+}
+
+// AdminKnowledgeSort updates the sort order of knowledge base articles.
+func AdminKnowledgeSort(c *gin.Context) {
+	var payload struct {
+		IDs []int `json:"ids"`
+	}
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		Fail(c, http.StatusBadRequest, "invalid request body")
+		return
+	}
+
+	tx := database.DB.Begin()
+	for i, id := range payload.IDs {
+		tx.Model(&model.Knowledge{}).Where("id = ?", id).Update("sort", i+1)
+	}
+	tx.Commit()
+
+	Success(c, true)
+}