feat: Update project structure and configuration files
This commit is contained in:
rogeecn
206
backend/app/models/posts.go
Normal file
206
backend/app/models/posts.go
Normal file
@@ -0,0 +1,206 @@
|
||||
package models
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
|
||||
"quyun/app/requests"
|
||||
"quyun/database/fields"
|
||||
"quyun/database/schemas/public/model"
|
||||
"quyun/database/schemas/public/table"
|
||||
|
||||
. "github.com/go-jet/jet/v2/postgres"
|
||||
"github.com/go-jet/jet/v2/qrm"
|
||||
"github.com/sirupsen/logrus"
|
||||
)
|
||||
|
||||
// @provider
|
||||
type postsModel struct {
|
||||
log *logrus.Entry `inject:"false"`
|
||||
}
|
||||
|
||||
func (m *postsModel) Prepare() error {
|
||||
m.log = logrus.WithField("model", "postsModel")
|
||||
return nil
|
||||
}
|
||||
|
||||
// BuildConditionWithKey
|
||||
func (m *postsModel) BuildConditionWithKey(key *string) BoolExpression {
|
||||
tbl := table.Posts
|
||||
|
||||
cond := tbl.DeletedAt.IS_NULL().AND(
|
||||
tbl.Status.EQ(Int32(int32(fields.PostStatusPublished))),
|
||||
)
|
||||
|
||||
if key == nil || *key == "" {
|
||||
return cond
|
||||
}
|
||||
|
||||
cond = tbl.Title.LIKE(String("%" + *key + "%")).
|
||||
OR(
|
||||
tbl.Content.LIKE(String("%" + *key + "%")),
|
||||
).
|
||||
OR(
|
||||
tbl.Description.LIKE(String("%" + *key + "%")),
|
||||
)
|
||||
|
||||
return cond
|
||||
}
|
||||
|
||||
// GetByID
|
||||
func (m *postsModel) GetByID(ctx context.Context, id int64) (*model.Posts, error) {
|
||||
tbl := table.Posts
|
||||
stmt := tbl.
|
||||
SELECT(tbl.AllColumns).
|
||||
WHERE(
|
||||
tbl.ID.EQ(Int64(id)).AND(
|
||||
tbl.DeletedAt.IS_NULL(),
|
||||
).AND(
|
||||
tbl.Status.EQ(Int32(int32(fields.PostStatusPublished))),
|
||||
),
|
||||
)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
var post model.Posts
|
||||
err := stmt.QueryContext(ctx, db, &post)
|
||||
if err != nil {
|
||||
m.log.Errorf("error getting post: %v", err)
|
||||
return nil, err
|
||||
}
|
||||
return &post, nil
|
||||
}
|
||||
|
||||
// Create
|
||||
func (m *postsModel) Create(ctx context.Context, model *model.Posts) error {
|
||||
tbl := table.Posts
|
||||
stmt := tbl.INSERT(tbl.MutableColumns).MODEL(model)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
_, err := stmt.ExecContext(ctx, db)
|
||||
if err != nil {
|
||||
m.log.Errorf("error creating post: %v", err)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// Update
|
||||
func (m *postsModel) Update(ctx context.Context, id int64, model *model.Posts) error {
|
||||
tbl := table.Posts
|
||||
stmt := tbl.UPDATE(tbl.MutableColumns).SET(model).WHERE(tbl.ID.EQ(Int64(id)))
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
_, err := stmt.ExecContext(ctx, db)
|
||||
if err != nil {
|
||||
m.log.Errorf("error updating post: %v", err)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// countByCond
|
||||
func (m *postsModel) countByCondition(ctx context.Context, expr BoolExpression) (int64, error) {
|
||||
var cnt struct {
|
||||
Cnt int64
|
||||
}
|
||||
|
||||
tbl := table.Posts
|
||||
stmt := SELECT(COUNT(tbl.ID).AS("cnt")).FROM(tbl).WHERE(expr)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
err := stmt.QueryContext(ctx, db, &cnt)
|
||||
if err != nil {
|
||||
m.log.Errorf("error counting post items: %v", err)
|
||||
return 0, err
|
||||
}
|
||||
|
||||
return cnt.Cnt, nil
|
||||
}
|
||||
|
||||
func (m *postsModel) List(ctx context.Context, pagination *requests.Pagination, cond BoolExpression) (*requests.Pager, error) {
|
||||
limit := pagination.Limit
|
||||
offset := pagination.Offset()
|
||||
|
||||
tbl := table.Posts
|
||||
stmt := tbl.
|
||||
SELECT(tbl.AllColumns).
|
||||
WHERE(cond).
|
||||
ORDER_BY(tbl.ID.DESC()).
|
||||
LIMIT(limit).
|
||||
OFFSET(offset)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
var posts []model.Posts
|
||||
err := stmt.QueryContext(ctx, db, &posts)
|
||||
if err != nil {
|
||||
m.log.Errorf("error querying post items: %v", err)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
count, err := m.countByCondition(ctx, cond)
|
||||
if err != nil {
|
||||
m.log.Errorf("error getting post count: %v", err)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &requests.Pager{
|
||||
Items: posts,
|
||||
Total: count,
|
||||
Pagination: *pagination,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (m *postsModel) IsUserBought(ctx context.Context, userId, postId int64) (bool, error) {
|
||||
tbl := table.UserPosts
|
||||
stmt := tbl.
|
||||
SELECT(tbl.ID).
|
||||
WHERE(
|
||||
tbl.UserID.EQ(Int64(userId)).AND(
|
||||
tbl.PostID.EQ(Int64(postId)),
|
||||
),
|
||||
)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
var userPost model.UserPosts
|
||||
err := stmt.QueryContext(ctx, db, &userPost)
|
||||
if err != nil {
|
||||
if errors.Is(err, qrm.ErrNoRows) {
|
||||
return false, nil
|
||||
}
|
||||
|
||||
m.log.Errorf("error querying user post item: %v", err)
|
||||
return false, err
|
||||
}
|
||||
|
||||
return userPost.ID > 0, nil
|
||||
}
|
||||
|
||||
func (m *postsModel) Buy(ctx context.Context, userId, postId int64) error {
|
||||
tbl := table.UserPosts
|
||||
|
||||
post, err := m.GetByID(ctx, postId)
|
||||
if err != nil {
|
||||
m.log.Errorf("error getting post by ID: %v", err)
|
||||
return err
|
||||
}
|
||||
|
||||
user, err := Users.GetByID(ctx, userId)
|
||||
if err != nil {
|
||||
m.log.Errorf("error getting user by ID: %v", err)
|
||||
return err
|
||||
}
|
||||
|
||||
record := model.UserPosts{
|
||||
UserID: user.ID,
|
||||
PostID: post.ID,
|
||||
Price: post.Price * int64(post.Discount) / 100,
|
||||
}
|
||||
stmt := tbl.INSERT(tbl.MutableColumns).MODEL(record)
|
||||
m.log.Infof("sql: %s", stmt.DebugSql())
|
||||
|
||||
if _, err := stmt.ExecContext(ctx, db); err != nil {
|
||||
m.log.Errorf("error buying post: %v", err)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
Reference in New Issue
Block a user