Enhance database models with comments and table descriptions

- Added comments to various fields in the database models for better clarity and understanding.
- Implemented TableComment methods for several models to provide descriptive information about their purpose.
- Updated the AutoMigrate function to support setting table comments in the database.
- Improved overall documentation within the code to facilitate future maintenance and development.

internal/remove_watermark/model/video_parse.go

@@ -8,37 +8,45 @@ import (
 
 type VideoParseLog struct {
 	ID        uint           `gorm:"primarykey" json:"id"`
-	CreatedAt time.Time      `json:"created_at"`
-	UpdatedAt time.Time      `json:"updated_at"`
-	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+	CreatedAt time.Time      `gorm:"comment:创建时间" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"comment:更新时间" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index;comment:删除时间" json:"-"`
 
-	MiniProgramID     uint   `gorm:"index:idx_video_parse_user_date,priority:1" json:"mini_program_id"`
-	UserID            uint   `gorm:"index:idx_video_parse_user_date,priority:2" json:"user_id"`
-	RequestContent    string `gorm:"type:text" json:"request_content"`
-	ParsedURL         string `gorm:"size:500" json:"parsed_url"`
-	ThirdPartyStatus  int    `json:"third_party_status"`
-	ThirdPartyPayload []byte `gorm:"type:json" json:"third_party_payload"`
-	FreeQuotaUsed     bool   `gorm:"default:1" json:"free_quota_used"`
-	DurationMs        int    `json:"duration_ms"`
-	ErrorMessage      string `gorm:"size:500" json:"error_message"`
+	MiniProgramID     uint   `gorm:"index:idx_video_parse_user_date,priority:1;comment:小程序ID" json:"mini_program_id"`
+	UserID            uint   `gorm:"index:idx_video_parse_user_date,priority:2;comment:用户ID" json:"user_id"`
+	RequestContent    string `gorm:"type:text;comment:用户提交原文" json:"request_content"`
+	ParsedURL         string `gorm:"size:500;comment:解析得到的链接" json:"parsed_url"`
+	ThirdPartyStatus  int    `gorm:"comment:第三方HTTP状态或业务码" json:"third_party_status"`
+	ThirdPartyPayload []byte `gorm:"type:json;comment:第三方响应原文" json:"third_party_payload"`
+	FreeQuotaUsed     bool   `gorm:"default:1;comment:是否计入免费次数" json:"free_quota_used"`
+	DurationMs        int    `gorm:"comment:耗时毫秒" json:"duration_ms"`
+	ErrorMessage      string `gorm:"size:500;comment:错误信息" json:"error_message"`
 }
 
 func (VideoParseLog) TableName() string {
 	return "video_parse_logs"
 }
 
+func (VideoParseLog) TableComment() string {
+	return "短视频去水印调用日志"
+}
+
 type VideoParseUnlock struct {
 	ID        uint           `gorm:"primarykey" json:"id"`
-	CreatedAt time.Time      `json:"created_at"`
-	UpdatedAt time.Time      `json:"updated_at"`
-	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+	CreatedAt time.Time      `gorm:"comment:创建时间" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"comment:更新时间" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index;comment:删除时间" json:"-"`
 
-	MiniProgramID uint      `gorm:"index:idx_video_unlock_user_date,priority:1" json:"mini_program_id"`
-	UserID        uint      `gorm:"index:idx_video_unlock_user_date,priority:2" json:"user_id"`
-	UnlockDate    time.Time `gorm:"type:date;index:idx_video_unlock_user_date,priority:3" json:"unlock_date"`
-	AdWatchedAt   time.Time `json:"ad_watched_at"`
+	MiniProgramID uint      `gorm:"index:idx_video_unlock_user_date,priority:1;comment:小程序ID" json:"mini_program_id"`
+	UserID        uint      `gorm:"index:idx_video_unlock_user_date,priority:2;comment:用户ID" json:"user_id"`
+	UnlockDate    time.Time `gorm:"type:date;index:idx_video_unlock_user_date,priority:3;comment:解锁日期" json:"unlock_date"`
+	AdWatchedAt   time.Time `gorm:"comment:广告完成时间" json:"ad_watched_at"`
 }
 
 func (VideoParseUnlock) TableName() string {
 	return "video_parse_unlocks"
 }
+
+func (VideoParseUnlock) TableComment() string {
+	return "短视频去水印-每日广告解锁"
+}