Add cache into metadata fetching

This commit is contained in:
LittleSheep 2024-06-29 21:16:11 +08:00
parent 55491ea3c9
commit e3eaa5ba20
4 changed files with 64 additions and 36 deletions

View File

@ -4,9 +4,11 @@
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<change beforePath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/server/api/attachments_api.go" afterDir="false" />
<change beforePath="$PROJECT_DIR$/pkg/internal/services/attachments.go" beforeDir="false" afterPath="$PROJECT_DIR$/pkg/internal/services/attachments.go" afterDir="false" />
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@ -36,27 +38,28 @@
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@ -113,7 +116,8 @@
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View File

@ -159,12 +159,12 @@ func updateAttachmentMeta(c *fiber.Ctx) error {
attachment.Metadata = data.Metadata
attachment.IsMature = data.IsMature
if err := database.C.Save(&attachment).Error; err != nil {
if attachment, err := services.UpdateAttachment(attachment); err != nil {
return fiber.NewError(fiber.StatusBadRequest, err.Error())
}
} else {
return c.JSON(attachment)
}
}
func deleteAttachment(c *fiber.Ctx) error {
id, _ := c.ParamsInt("id", 0)

View File

@ -13,23 +13,27 @@ import (
"gorm.io/gorm"
)
const metadataCacheLimit = 512
var metadataCache = make(map[uint]models.Attachment)
func GetAttachmentByID(id uint) (models.Attachment, error) {
if val, ok := metadataCache[id]; ok {
return val, nil
}
var attachment models.Attachment
if err := database.C.Where(models.Attachment{
BaseModel: models.BaseModel{ID: id},
}).First(&attachment).Error; err != nil {
return attachment, err
} else {
if len(metadataCache) > metadataCacheLimit {
clear(metadataCache)
}
return attachment, nil
metadataCache[id] = attachment
}
func GetAttachmentByUUID(id string) (models.Attachment, error) {
var attachment models.Attachment
if err := database.C.Where(models.Attachment{
Uuid: id,
}).First(&attachment).Error; err != nil {
return attachment, err
}
return attachment, nil
}
@ -61,7 +65,7 @@ func NewAttachmentMetadata(tx *gorm.DB, user models.Account, file *multipart.Fil
attachment.Name = file.Filename
attachment.AccountID = user.ID
// If user didn't provide file mimetype manually, we gotta to detect it
// If the user didn't provide file mimetype manually, we have to detect it
if len(attachment.MimeType) == 0 {
if ext := filepath.Ext(attachment.Name); len(ext) > 0 {
// Detect mimetype by file extensions
@ -87,11 +91,29 @@ func NewAttachmentMetadata(tx *gorm.DB, user models.Account, file *multipart.Fil
if err := tx.Save(&attachment).Error; err != nil {
return attachment, linked, fmt.Errorf("failed to save attachment record: %v", err)
} else {
if len(metadataCache) > metadataCacheLimit {
clear(metadataCache)
}
metadataCache[attachment.ID] = attachment
}
return attachment, linked, nil
}
func UpdateAttachment(item models.Attachment) (models.Attachment, error) {
if err := database.C.Save(&item).Error; err != nil {
return item, err
} else {
if len(metadataCache) > metadataCacheLimit {
clear(metadataCache)
}
metadataCache[item.ID] = item
}
return item, nil
}
func DeleteAttachment(item models.Attachment) error {
var dupeCount int64
if err := database.C.
@ -103,6 +125,8 @@ func DeleteAttachment(item models.Attachment) error {
if err := database.C.Delete(&item).Error; err != nil {
return err
} else {
delete(metadataCache, item.ID)
}
if dupeCount != -1 && dupeCount <= 1 {

View File

@ -27,7 +27,7 @@ prefix = "paperclip_"
[destinations.local]
type = "local"
path = "/uploads"
path = "uploads"
[destinations.s3]
type = "s3"