Files
quyun/backend/app/http/posts.go
2025-04-18 22:10:28 +08:00

121 lines
3.0 KiB
Go

package http
import (
_ "embed"
"time"
"quyun/app/models"
"quyun/app/requests"
"quyun/database/fields"
"quyun/database/schemas/public/model"
"quyun/providers/wepay"
"github.com/go-pay/gopay/wechat/v3"
"github.com/gofiber/fiber/v3"
"github.com/gofiber/fiber/v3/log"
"github.com/pkg/errors"
"github.com/samber/lo"
)
type ListQuery struct {
Keyword *string `query:"keyword"`
}
// @provider
type posts struct {
wepay *wepay.Client
}
type PostItem struct {
model.Posts
BoughtCount int64 `json:"bought_count"`
}
// List posts
// @Router /api/posts [get]
// @Bind pagination query
// @Bind query query
// @Bind user local
func (ctl *posts) List(ctx fiber.Ctx, pagination *requests.Pagination, query *ListQuery, user *model.Users) (*requests.Pager, error) {
cond := models.Posts.BuildConditionWithKey(query.Keyword)
pager, err := models.Posts.List(ctx.Context(), pagination, cond, func(item model.Posts) model.Posts {
item.Assets = fields.ToJson([]fields.MediaAsset{})
item.Content = ""
return item
})
postIds := lo.Map(pager.Items.([]model.Posts), func(item model.Posts, _ int) int64 {
return item.ID
})
if len(postIds) > 0 {
postCntMap, err := models.Posts.BoughtStatistics(ctx.Context(), postIds)
if err != nil {
return pager, err
}
items := lo.Map(pager.Items.([]model.Posts), func(item model.Posts, _ int) PostItem {
cnt := int64(0)
if v, ok := postCntMap[item.ID]; ok {
cnt = v
}
return PostItem{Posts: item, BoughtCount: cnt}
})
pager.Items = items
}
return pager, err
}
// Show
// @Router /api/posts/show/:id [get]
// @Bind id path
func (ctl *posts) Show(ctx fiber.Ctx, id int64) (*model.Posts, error) {
return models.Posts.GetByID(ctx.Context(), id)
}
// Mine posts
// @Router /api/posts/mine [get]
// @Bind pagination query
// @Bind query query
func (ctl *posts) Mine(ctx fiber.Ctx, pagination *requests.Pagination, query *ListQuery) (*requests.Pager, error) {
log.Infof("Fetching posts for user with pagination: %+v and keyword: %v", pagination, query.Keyword)
return models.Users.PostList(ctx.Context(), 1, pagination, query.Keyword, func(item model.Posts) model.Posts {
item.Assets = fields.ToJson([]fields.MediaAsset{})
item.Content = ""
return item
})
}
// Buy
// @Router /api/posts/buy/:id [get]
// @Bind id path
// @Bind user local
func (ctl *posts) Buy(ctx fiber.Ctx, id int64, user *model.Users) (*wechat.JSAPIPayParams, error) {
post, err := models.Posts.GetByID(ctx.Context(), id)
if err != nil {
return nil, errors.Wrapf(err, " failed to get post: %d", id)
}
// create order
order, err := models.Orders.Create(ctx.Context(), user.ID, post.ID)
if err != nil {
return nil, errors.Wrap(err, "订单创建失败")
}
prePayResp, err := ctl.wepay.V3TransactionJsapi(ctx.Context(), func(bm *wepay.BodyMap) {
bm.
Expire(30 * time.Minute).
Description(post.Title).
OutTradeNo(order.OrderNo).
Payer(user.OpenID)
})
if err != nil {
log.Errorf("wepay.V3TransactionJsapi err: %v", err)
return nil, errors.Wrap(err, "微信支付失败")
}
return prePayResp.PaySignOfJSAPI()
}