openreplay/backend/pkg/projects/cache.go
2023-08-09 17:35:58 +04:00

84 lines
2.2 KiB
Go

package projects
import (
"encoding/json"
"fmt"
"time"
"github.com/pkg/errors"
"openreplay/backend/pkg/db/redis"
"openreplay/backend/pkg/metrics/database"
)
type Cache interface {
Set(project *Project) error
GetByID(projectID uint32) (*Project, error)
GetByKey(projectKey string) (*Project, error)
}
type cacheImpl struct {
db *redis.Client
}
var ErrDisabledCache = errors.New("cache is disabled")
func (c *cacheImpl) Set(project *Project) error {
if c.db == nil {
return ErrDisabledCache
}
start := time.Now()
projectBytes, err := json.Marshal(project)
if err != nil {
return err
}
if _, err = c.db.Redis.Set(fmt.Sprintf("project:id:%d", project.ProjectID), projectBytes, time.Minute*10).Result(); err != nil {
return err
}
if _, err = c.db.Redis.Set(fmt.Sprintf("project:key:%s", project.ProjectKey), projectBytes, time.Minute*10).Result(); err != nil {
return err
}
database.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "set", "project")
database.IncreaseRedisRequests("set", "project")
return nil
}
func (c *cacheImpl) GetByID(projectID uint32) (*Project, error) {
if c.db == nil {
return nil, ErrDisabledCache
}
start := time.Now()
result, err := c.db.Redis.Get(fmt.Sprintf("project:id:%d", projectID)).Result()
if err != nil {
return nil, err
}
database.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "get", "project")
database.IncreaseRedisRequests("get", "project")
project := &Project{}
if err = json.Unmarshal([]byte(result), project); err != nil {
return nil, err
}
return project, nil
}
func (c *cacheImpl) GetByKey(projectKey string) (*Project, error) {
if c.db == nil {
return nil, ErrDisabledCache
}
start := time.Now()
result, err := c.db.Redis.Get(fmt.Sprintf("project:key:%s", projectKey)).Result()
if err != nil {
return nil, err
}
database.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "get", "project")
database.IncreaseRedisRequests("get", "project")
project := &Project{}
if err = json.Unmarshal([]byte(result), project); err != nil {
return nil, err
}
return project, nil
}
func NewCache(db *redis.Client) Cache {
return &cacheImpl{db: db}
}