update auth.go, database.go, docs.go, forum.go, go.mod, go.sum, main.go, post_schema.go, role.go, server.go, service.go, swagger.json, swagger.yaml, thread_schema.go

pkg/repository/post_schema.go

@@ -0,0 +1,71 @@
+package repository
+
+import (
+	"esforum"
+	"fmt"
+
+	"gorm.io/gorm"
+)
+
+type PostSchema struct {
+	db *gorm.DB
+}
+
+func NewPostSchema(db *gorm.DB) *PostSchema {
+	return &PostSchema{db: db}
+}
+
+func (r PostSchema) CreatePost(title string, content string, thread int64) (*esforum.Post, error) {
+	post := &esforum.Post{
+		Title:   title,
+		Content: content,
+		Thread:  thread,
+	}
+	err := r.db.Create(post).Error
+	return post, err
+}
+
+func (r PostSchema) GetPost(id int64) (*esforum.Post, error) {
+	post := esforum.Post{}
+	err := r.db.Find(&post, "id = ?", id).Error
+	if post.Id == -1 {
+		err = fmt.Errorf("unknown thread %d", id)
+	}
+	return &post, err
+}
+
+func (r PostSchema) DeletePost(id int64) error {
+	post := esforum.Post{}
+	err := r.db.Find(&post, "id = ?", id).Error
+	if post.Id == -1 {
+		err = fmt.Errorf("unknown thread %d", id)
+	}
+	r.db.Delete(post)
+	return err
+}
+
+func (r PostSchema) FindPostsByThread(thread int64, start, limit int) []int64 {
+	var result []esforum.Post
+	r.db.Find(&result, "thread = ?", thread).Limit(limit).Offset(start).Find(&result)
+	var ans = make([]int64, len(result))
+	for i, res := range result {
+		ans[i] = res.Id
+	}
+	return ans
+}
+
+func (r PostSchema) GetPosts(start, limit int) []int64 {
+	var result []esforum.Post
+	r.db.Select("id").Limit(limit).Offset(start).Find(&result)
+	var ans = make([]int64, len(result))
+	for i, res := range result {
+		ans[i] = res.Id
+	}
+	return ans
+}
+
+func (r PostSchema) GetPostsCount() int64 {
+	var count int64 = 0
+	r.db.Model(&esforum.Post{}).Count(&count)
+	return count
+}