Interactive/pkg/internal/http/api/recommendation_api.go

133 lines
3.2 KiB
Go

package api
import (
"git.solsynth.dev/hypernet/interactive/pkg/internal/database"
"git.solsynth.dev/hypernet/interactive/pkg/internal/gap"
"git.solsynth.dev/hypernet/interactive/pkg/internal/models"
"git.solsynth.dev/hypernet/interactive/pkg/internal/services"
"git.solsynth.dev/hypernet/nexus/pkg/nex/sec"
"git.solsynth.dev/hypernet/nexus/pkg/proto"
"git.solsynth.dev/hypernet/passport/pkg/authkit"
authm "git.solsynth.dev/hypernet/passport/pkg/authkit/models"
"github.com/gofiber/fiber/v2"
"github.com/samber/lo"
)
func listRecommendation(c *fiber.Ctx) error {
const featuredMax = 3
posts, err := services.GetFeaturedPosts(featuredMax)
if err != nil {
return fiber.NewError(fiber.StatusInternalServerError, err.Error())
}
postIdx := lo.Map(posts, func(item models.Post, index int) uint {
return item.ID
})
tx := database.C.Where("id IN ?", postIdx)
newPosts, err := services.ListPost(tx, featuredMax, 0, "id ASC")
if err != nil {
return fiber.NewError(fiber.StatusInternalServerError, err.Error())
}
newPostMap := lo.SliceToMap(newPosts, func(item *models.Post) (uint, models.Post) {
return item.ID, *item
})
// Revert the position
for idx, item := range posts {
posts[idx] = newPostMap[item.ID]
}
return c.JSON(posts)
}
func listRecommendationFriends(c *fiber.Ctx) error {
if err := sec.EnsureAuthenticated(c); err != nil {
return err
}
user := c.Locals("user").(authm.Account)
take := c.QueryInt("take", 0)
offset := c.QueryInt("offset", 0)
tx := database.C
var err error
if tx, err = universalPostFilter(c, tx); err != nil {
return err
}
friends, _ := authkit.ListRelative(gap.Nx, user.ID, int32(authm.RelationshipFriend), true)
friendList := lo.Map(friends, func(item *proto.UserInfo, index int) uint {
return uint(item.GetId())
})
tx = tx.Where("publisher_id IN ?", friendList)
countTx := tx
count, err := services.CountPost(countTx)
if err != nil {
return fiber.NewError(fiber.StatusInternalServerError, err.Error())
}
order := "published_at DESC"
if c.QueryBool("featured", false) {
order = "published_at DESC, (COALESCE(total_upvote, 0) - COALESCE(total_downvote, 0)) DESC"
}
items, err := services.ListPost(tx, take, offset, order)
if err != nil {
return fiber.NewError(fiber.StatusBadRequest, err.Error())
}
if c.QueryBool("truncate", true) {
for _, item := range items {
if item != nil {
item = lo.ToPtr(services.TruncatePostContent(*item))
}
}
}
return c.JSON(fiber.Map{
"count": count,
"data": items,
})
}
func listRecommendationShuffle(c *fiber.Ctx) error {
take := c.QueryInt("take", 0)
offset := c.QueryInt("offset", 0)
tx := database.C
var err error
if tx, err = universalPostFilter(c, tx); err != nil {
return err
}
countTx := tx
count, err := services.CountPost(countTx)
if err != nil {
return fiber.NewError(fiber.StatusInternalServerError, err.Error())
}
items, err := services.ListPost(tx, take, offset, "RANDOM()")
if err != nil {
return fiber.NewError(fiber.StatusBadRequest, err.Error())
}
if c.QueryBool("truncate", true) {
for _, item := range items {
if item != nil {
item = lo.ToPtr(services.TruncatePostContent(*item))
}
}
}
return c.JSON(fiber.Map{
"count": count,
"data": items,
})
}