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⚡ Cache channel identity query

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This commit is contained in:
LittleSheep 2024-10-09 23:56:24 +08:00
parent afb3b939e7
commit fce8669059
6 changed files with 181 additions and 31 deletions
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6
pkg/internal/server/api/channels_api.go
View File

@ -40,11 +40,13 @@ func getChannelIdentity(c *fiber.Ctx) error {
var err error
var member models.ChannelMember
if val, ok := c.Locals("realm").(models.Realm); ok {
_, member, err = services.GetAvailableChannelWithAlias(alias, user, val.ID)
_, member, err = services.GetChannelIdentity(alias, user.ID, val)
} else {
_, member, err = services.GetAvailableChannelWithAlias(alias, user)
_, member, err = services.GetChannelIdentity(alias, user.ID)
}
if err != nil {
return c.SendStatus(fiber.StatusForbidden)
}

21
pkg/internal/server/api/events_api.go
View File

@ -95,20 +95,17 @@ func newRawEvent(c *fiber.Ctx) error {
var err error
var channel models.Channel
var member models.ChannelMember
if val, ok := c.Locals("realm").(models.Realm); ok {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user, val.ID)
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
} else if member.PowerLevel < 0 {
return fiber.NewError(fiber.StatusForbidden, "you have not enough permission to send message")
}
channel, member, err = services.GetChannelIdentity(alias, user.ID, val)
} else {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user)
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
} else if member.PowerLevel < 0 {
return fiber.NewError(fiber.StatusForbidden, "you have not enough permission to send message")
}
channel, member, err = services.GetChannelIdentity(alias, user.ID)
}
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
} else if member.PowerLevel < 0 {
return fiber.NewError(fiber.StatusForbidden, "you have not enough permission to send message")
}
event := models.Event{

27
pkg/internal/server/api/events_message_api.go
View File

@ -38,11 +38,13 @@ func newMessageEvent(c *fiber.Ctx) error {
var err error
var channel models.Channel
var member models.ChannelMember
if val, ok := c.Locals("realm").(models.Realm); ok {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user, val.ID)
channel, member, err = services.GetChannelIdentity(alias, user.ID, val)
} else {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user)
channel, member, err = services.GetChannelIdentity(alias, user.ID)
}
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
} else if member.PowerLevel < 0 {
@ -95,11 +97,13 @@ func editMessageEvent(c *fiber.Ctx) error {
var err error
var channel models.Channel
var member models.ChannelMember
if val, ok := c.Locals("realm").(models.Realm); ok {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user, val.ID)
channel, member, err = services.GetChannelIdentity(alias, user.ID, val)
} else {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user)
channel, member, err = services.GetChannelIdentity(alias, user.ID)
}
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
}
@ -128,16 +132,15 @@ func deleteMessageEvent(c *fiber.Ctx) error {
var err error
var channel models.Channel
var member models.ChannelMember
if val, ok := c.Locals("realm").(models.Realm); ok {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user, val.ID)
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
}
channel, member, err = services.GetChannelIdentity(alias, user.ID, val)
} else {
channel, member, err = services.GetAvailableChannelWithAlias(alias, user)
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
}
channel, member, err = services.GetChannelIdentity(alias, user.ID)
}
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
}
var event models.Event

53
pkg/internal/services/channel_members.go
View File

@ -1,7 +1,12 @@
package services
import (
"context"
"fmt"
localCache "git.solsynth.dev/hydrogen/messaging/pkg/internal/cache"
"github.com/eko/gocache/lib/v4/cache"
"github.com/eko/gocache/lib/v4/marshaler"
"github.com/eko/gocache/lib/v4/store"
"git.solsynth.dev/hydrogen/messaging/pkg/internal/database"
"git.solsynth.dev/hydrogen/messaging/pkg/internal/models"
@ -53,13 +58,41 @@ func AddChannelMember(user models.Account, target models.Channel) error {
}
err := database.C.Save(&member).Error
if err == nil {
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Invalidate(
contx,
store.WithInvalidateTags([]string{
fmt.Sprintf("channel#%d", target.ID),
fmt.Sprintf("user#%d", user.ID),
}),
)
}
return err
}
func EditChannelMember(membership models.ChannelMember) (models.ChannelMember, error) {
if err := database.C.Save(&membership).Error; err != nil {
return membership, err
} else {
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Invalidate(
contx,
store.WithInvalidateTags([]string{
fmt.Sprintf("channel#%d", membership.ChannelID),
fmt.Sprintf("user#%d", membership.AccountID),
}),
)
}
return membership, nil
}
@ -73,5 +106,23 @@ func RemoveChannelMember(user models.Account, target models.Channel) error {
return err
}
return database.C.Delete(&member).Error
if err := database.C.Delete(&member).Error; err == nil {
database.C.Where("sender_id = ?").Delete(&models.Event{})
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Invalidate(
contx,
store.WithInvalidateTags([]string{
fmt.Sprintf("channel#%d", target.ID),
fmt.Sprintf("user#%d", user.ID),
}),
)
return nil
} else {
return err
}
}

103
pkg/internal/services/channels.go
View File

@ -1,7 +1,12 @@
package services
import (
"context"
"fmt"
localCache "git.solsynth.dev/hydrogen/messaging/pkg/internal/cache"
"github.com/eko/gocache/lib/v4/cache"
"github.com/eko/gocache/lib/v4/marshaler"
"github.com/eko/gocache/lib/v4/store"
"regexp"
"git.solsynth.dev/hydrogen/dealer/pkg/hyper"
@ -12,6 +17,72 @@ import (
"gorm.io/gorm"
)
type channelIdentityCacheEntry struct {
Channel models.Channel
ChannelMember models.ChannelMember
}
func GetChannelIdentityCacheKey(channel string, user uint, realm ...uint) string {
if len(realm) > 0 {
return fmt.Sprintf("channel-identity-%s#%d@%d", channel, user, realm)
} else {
return fmt.Sprintf("channel-identity-%s#%d", channel, user)
}
}
func CacheChannelIdentityCache(channel models.Channel, member models.ChannelMember, user uint, realm ...uint) {
key := GetChannelIdentityCacheKey(channel.Alias, user, realm...)
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Set(
contx,
key,
channelIdentityCacheEntry{channel, member},
store.WithTags([]string{"channel-identity", fmt.Sprintf("channel#%d", channel.ID), fmt.Sprintf("user#%d", user)}),
)
}
func GetChannelIdentity(alias string, user uint, realm ...models.Realm) (models.Channel, models.ChannelMember, error) {
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
var err error
var channel models.Channel
var member models.ChannelMember
hitCache := false
if len(realm) > 0 {
if val, err := marshal.Get(contx, GetChannelIdentityCacheKey(alias, user, realm[0].ID), new(channelIdentityCacheEntry)); err == nil {
entry := val.(*channelIdentityCacheEntry)
channel = entry.Channel
member = entry.ChannelMember
hitCache = true
}
} else {
if val, err := marshal.Get(contx, GetChannelIdentityCacheKey(alias, user), new(channelIdentityCacheEntry)); err == nil {
entry := val.(*channelIdentityCacheEntry)
channel = entry.Channel
member = entry.ChannelMember
hitCache = true
}
}
if !hitCache {
if len(realm) > 0 {
channel, member, err = GetAvailableChannelWithAlias(alias, user, realm[0].ID)
CacheChannelIdentityCache(channel, member, user, realm[0].ID)
} else {
channel, member, err = GetAvailableChannelWithAlias(alias, user)
CacheChannelIdentityCache(channel, member, user)
}
}
return channel, member, err
}
func GetChannelAliasAvailability(alias string) error {
if !regexp.MustCompile("^[a-z0-9-]+$").MatchString(alias) {
return fmt.Errorf("channel alias should only contains lowercase letters, numbers, and hyphens")
@ -48,7 +119,7 @@ func GetChannelWithAlias(alias string, realmId ...uint) (models.Channel, error)
return channel, nil
}
func GetAvailableChannelWithAlias(alias string, user models.Account, realmId ...uint) (models.Channel, models.ChannelMember, error) {
func GetAvailableChannelWithAlias(alias string, user uint, realmId ...uint) (models.Channel, models.ChannelMember, error) {
var err error
var member models.ChannelMember
var channel models.Channel
@ -57,7 +128,7 @@ func GetAvailableChannelWithAlias(alias string, user models.Account, realmId ...
}
if err := database.C.Where(models.ChannelMember{
AccountID: user.ID,
AccountID: user,
ChannelID: channel.ID,
}).First(&member).Error; err != nil {
return channel, member, fmt.Errorf("channel principal not found: %v", err.Error())
@ -183,9 +254,35 @@ func EditChannel(channel models.Channel, alias, name, description string, isPubl
err := database.C.Save(&channel).Error
if err == nil {
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Invalidate(
contx,
store.WithInvalidateTags([]string{fmt.Sprintf("channel#%d", channel.ID)}),
)
}
return channel, err
}
func DeleteChannel(channel models.Channel) error {
return database.C.Delete(&channel).Error
if err := database.C.Delete(&channel).Error; err == nil {
database.C.Where("channel_id = ?", channel.ID).Delete(&models.Event{})
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
_ = marshal.Invalidate(
contx,
store.WithInvalidateTags([]string{fmt.Sprintf("channel#%d", channel.ID)}),
)
return nil
} else {
return err
}
}

2
pkg/internal/services/status.go
View File

@ -34,7 +34,7 @@ func SetTypingStatus(channelId uint, userId uint) error {
hitCache := false
if val, err := marshal.Get(contx, GetTypingStatusQueryCacheKey(channelId, userId), new(statusQueryCacheEntry)); err == nil {
entry := val.(statusQueryCacheEntry)
entry := val.(*statusQueryCacheEntry)
broadcastTarget = entry.Target
data = entry.Data
hitCache = true