82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
package core
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"code.d7z.net/d7z-project/gitea-pages/pkg/utils"
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)
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type Backend interface {
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// Repos return repo name + default branch
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Repos(owner string) (map[string]string, error)
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// Branches return branch + commit id
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Branches(owner, repo string) (map[string]string, error)
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// Open return file or error
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Open(client *http.Client, owner, repo, commit, path string, headers map[string]string) (*http.Response, error)
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}
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type CacheBackend struct {
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backend Backend
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config utils.Config
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ttl time.Duration
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}
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func NewCacheBackend(backend Backend, config utils.Config, ttl time.Duration) *CacheBackend {
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return &CacheBackend{backend: backend, config: config, ttl: ttl}
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}
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func (c *CacheBackend) Repos(owner string) (map[string]string, error) {
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ret := make(map[string]string)
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key := fmt.Sprintf("repos/%s", owner)
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data, err := c.config.Get(key)
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if err != nil {
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ret, err = c.backend.Repos(owner)
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if err != nil {
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return nil, err
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}
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data, err := json.Marshal(data)
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if err != nil {
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return nil, err
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}
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if err = c.config.Put(key, string(data), c.ttl); err != nil {
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return nil, err
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}
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} else {
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if err := json.Unmarshal([]byte(data), &ret); err != nil {
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return nil, err
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}
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}
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return ret, nil
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}
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func (c *CacheBackend) Branches(owner, repo string) (map[string]string, error) {
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ret := make(map[string]string)
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key := fmt.Sprintf("branches/%s/%s", owner, repo)
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data, err := c.config.Get(key)
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if err != nil {
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ret, err = c.backend.Branches(owner, repo)
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if err != nil {
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return nil, err
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}
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data, err := json.Marshal(data)
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if err != nil {
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return nil, err
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}
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if err = c.config.Put(key, string(data), c.ttl); err != nil {
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return nil, err
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}
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} else {
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if err := json.Unmarshal([]byte(data), &ret); err != nil {
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return nil, err
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}
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}
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return ret, nil
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}
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func (c *CacheBackend) Open(client *http.Client, owner, repo, commit, path string, headers map[string]string) (*http.Response, error) {
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return c.backend.Open(client, owner, repo, commit, path, headers)
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}
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