node build fixed

2025-09-20 14:08:38 +01:00
parent c6ebbe069d
commit 3d298fa434
1516 changed files with 535727 additions and 2 deletions
--- a/seanime-2.9.10/internal/util/filecache/filecache.go
+++ b/seanime-2.9.10/internal/util/filecache/filecache.go
@@ -0,0 +1,483 @@
+package filecache
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/goccy/go-json"
+	"github.com/samber/lo"
+)
+
+// CacheStore represents a single-process, file-based, key/value cache store.
+type CacheStore struct {
+	filePath string
+	mu       sync.Mutex
+	data     map[string]*cacheItem
+}
+
+// Bucket represents a cache bucket with a name and TTL.
+type Bucket struct {
+	name string
+	ttl  time.Duration
+}
+
+type PermanentBucket struct {
+	name string
+}
+
+func NewBucket(name string, ttl time.Duration) Bucket {
+	return Bucket{name: name, ttl: ttl}
+}
+
+func (b *Bucket) Name() string {
+	return b.name
+}
+
+func NewPermanentBucket(name string) PermanentBucket {
+	return PermanentBucket{name: name}
+}
+
+func (b *PermanentBucket) Name() string {
+	return b.name
+}
+
+// Cacher represents a single-process, file-based, key/value cache.
+type Cacher struct {
+	dir    string
+	stores map[string]*CacheStore
+	mu     sync.Mutex
+}
+
+type cacheItem struct {
+	Value      interface{} `json:"value"`
+	Expiration *time.Time  `json:"expiration,omitempty"`
+}
+
+// NewCacher creates a new instance of Cacher.
+func NewCacher(dir string) (*Cacher, error) {
+	// Check if the directory exists
+	_, err := os.Stat(dir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+				return nil, err
+			}
+		} else {
+			return nil, err
+		}
+	}
+	return &Cacher{
+		stores: make(map[string]*CacheStore),
+		dir:    dir,
+	}, nil
+}
+
+// Close closes all the cache stores.
+func (c *Cacher) Close() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	for _, store := range c.stores {
+		if err := store.saveToFile(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// getStore returns a cache store for the given bucket name and TTL.
+func (c *Cacher) getStore(name string) (*CacheStore, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	store, ok := c.stores[name]
+	if !ok {
+		store = &CacheStore{
+			filePath: filepath.Join(c.dir, name+".cache"),
+			data:     make(map[string]*cacheItem),
+		}
+		if err := store.loadFromFile(); err != nil {
+			return nil, err
+		}
+		c.stores[name] = store
+	}
+	return store, nil
+}
+
+// Set sets the value for the given key in the given bucket.
+func (c *Cacher) Set(bucket Bucket, key string, value interface{}) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	store.data[key] = &cacheItem{Value: value, Expiration: lo.ToPtr(time.Now().Add(bucket.ttl))}
+	return store.saveToFile()
+}
+
+func Range[T any](c *Cacher, bucket Bucket, f func(key string, value T) bool) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+
+	for key, item := range store.data {
+		if item.Expiration != nil && time.Now().After(*item.Expiration) {
+			delete(store.data, key)
+		} else {
+			itemVal, err := json.Marshal(item.Value)
+			if err != nil {
+				return err
+			}
+			var out T
+			err = json.Unmarshal(itemVal, &out)
+			if err != nil {
+				return err
+			}
+			if !f(key, out) {
+				break
+			}
+		}
+	}
+
+	return store.saveToFile()
+}
+
+// Get retrieves the value for the given key from the given bucket.
+func (c *Cacher) Get(bucket Bucket, key string, out interface{}) (bool, error) {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return false, err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	item, ok := store.data[key]
+	if !ok {
+		return false, nil
+	}
+	if item.Expiration != nil && time.Now().After(*item.Expiration) {
+		delete(store.data, key)
+		_ = store.saveToFile() // Ignore errors here
+		return false, nil
+	}
+	data, err := json.Marshal(item.Value)
+	if err != nil {
+		return false, err
+	}
+	return true, json.Unmarshal(data, out)
+}
+
+func GetAll[T any](c *Cacher, bucket Bucket) (map[string]T, error) {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return nil, err
+	}
+
+	data := make(map[string]T)
+	err = Range(c, bucket, func(key string, value T) bool {
+		data[key] = value
+		return true
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	store.mu.Lock()
+	defer store.mu.Unlock()
+
+	return data, store.saveToFile()
+}
+
+// Delete deletes the value for the given key from the given bucket.
+func (c *Cacher) Delete(bucket Bucket, key string) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	delete(store.data, key)
+	return store.saveToFile()
+}
+
+func DeleteIf[T any](c *Cacher, bucket Bucket, cond func(key string, value T) bool) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+
+	for key, item := range store.data {
+		itemVal, err := json.Marshal(item.Value)
+		if err != nil {
+			return err
+		}
+		var out T
+		err = json.Unmarshal(itemVal, &out)
+		if err != nil {
+			return err
+		}
+		if cond(key, out) {
+			delete(store.data, key)
+		}
+	}
+
+	return store.saveToFile()
+}
+
+// Empty empties the given bucket.
+func (c *Cacher) Empty(bucket Bucket) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	store.data = make(map[string]*cacheItem)
+	return store.saveToFile()
+}
+
+// Remove removes the given bucket.
+func (c *Cacher) Remove(bucketName string) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if _, ok := c.stores[bucketName]; ok {
+		delete(c.stores, bucketName)
+	}
+
+	_ = os.Remove(filepath.Join(c.dir, bucketName+".cache"))
+
+	return nil
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// SetPerm sets the value for the given key in the permanent bucket (no expiration).
+func (c *Cacher) SetPerm(bucket PermanentBucket, key string, value interface{}) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	store.data[key] = &cacheItem{Value: value, Expiration: nil} // No expiration
+	return store.saveToFile()
+}
+
+// GetPerm retrieves the value for the given key from the permanent bucket (ignores expiration).
+func (c *Cacher) GetPerm(bucket PermanentBucket, key string, out interface{}) (bool, error) {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return false, err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	item, ok := store.data[key]
+	if !ok {
+		return false, nil
+	}
+	data, err := json.Marshal(item.Value)
+	if err != nil {
+		return false, err
+	}
+	return true, json.Unmarshal(data, out)
+}
+
+// DeletePerm deletes the value for the given key from the permanent bucket.
+func (c *Cacher) DeletePerm(bucket PermanentBucket, key string) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	delete(store.data, key)
+	return store.saveToFile()
+}
+
+// EmptyPerm empties the permanent bucket.
+func (c *Cacher) EmptyPerm(bucket PermanentBucket) error {
+	store, err := c.getStore(bucket.name)
+	if err != nil {
+		return err
+	}
+	store.mu.Lock()
+	defer store.mu.Unlock()
+	store.data = make(map[string]*cacheItem)
+	return store.saveToFile()
+}
+
+// RemovePerm calls Remove.
+func (c *Cacher) RemovePerm(bucketName string) error {
+	return c.Remove(bucketName)
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+func (cs *CacheStore) loadFromFile() error {
+	file, err := os.Open(cs.filePath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil // File does not exist, so nothing to load
+		}
+		return fmt.Errorf("filecache: failed to open cache file: %w", err)
+	}
+	defer file.Close()
+
+	if err := json.NewDecoder(file).Decode(&cs.data); err != nil {
+		// If decode fails (empty or corrupted file), initialize with empty data
+		cs.data = make(map[string]*cacheItem)
+		return nil
+	}
+
+	return nil
+}
+
+func (cs *CacheStore) saveToFile() error {
+	file, err := os.Create(cs.filePath)
+	if err != nil {
+		return fmt.Errorf("filecache: failed to create cache file: %w", err)
+	}
+	defer file.Close()
+
+	if err := json.NewEncoder(file).Encode(cs.data); err != nil {
+		return fmt.Errorf("filecache: failed to encode cache data: %w", err)
+	}
+	return nil
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// RemoveAllBy removes all files in the cache directory that match the given filter.
+func (c *Cacher) RemoveAllBy(filter func(filename string) bool) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	err := filepath.Walk(c.dir, func(_ string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			if !strings.HasSuffix(info.Name(), ".cache") {
+				return nil
+			}
+			if filter(info.Name()) {
+				if err := os.Remove(filepath.Join(c.dir, info.Name())); err != nil {
+					return fmt.Errorf("filecache: failed to remove file: %w", err)
+				}
+			}
+		}
+		return nil
+	})
+
+	c.stores = make(map[string]*CacheStore)
+	return err
+}
+
+// ClearMediastreamVideoFiles clears all mediastream video file caches.
+func (c *Cacher) ClearMediastreamVideoFiles() error {
+	c.mu.Lock()
+
+	// Remove the contents of the directory
+	files, err := os.ReadDir(filepath.Join(c.dir, "videofiles"))
+	if err != nil {
+		c.mu.Unlock()
+		return nil
+	}
+	for _, file := range files {
+		_ = os.RemoveAll(filepath.Join(c.dir, "videofiles", file.Name()))
+	}
+	c.mu.Unlock()
+
+	err = c.RemoveAllBy(func(filename string) bool {
+		return strings.HasPrefix(filename, "mediastream")
+	})
+
+	c.mu.Lock()
+	c.stores = make(map[string]*CacheStore)
+	c.mu.Unlock()
+	return err
+}
+
+// TrimMediastreamVideoFiles clears all mediastream video file caches if the number of files exceeds the given limit.
+func (c *Cacher) TrimMediastreamVideoFiles() error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	// Remove the contents of the "videofiles" cache directory
+	files, err := os.ReadDir(filepath.Join(c.dir, "videofiles"))
+	if err != nil {
+		return nil
+	}
+
+	// If the number of files exceeds 10, remove all files
+	if len(files) > 10 {
+		for _, file := range files {
+			_ = os.RemoveAll(filepath.Join(c.dir, "videofiles", file.Name()))
+		}
+	}
+
+	c.stores = make(map[string]*CacheStore)
+	return err
+}
+
+func (c *Cacher) GetMediastreamVideoFilesTotalSize() (int64, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	_, err := os.Stat(filepath.Join(c.dir, "videofiles"))
+	if err != nil {
+		if os.IsNotExist(err) {
+			return 0, nil
+		}
+		return 0, err
+	}
+
+	var totalSize int64
+	err = filepath.Walk(filepath.Join(c.dir, "videofiles"), func(_ string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			totalSize += info.Size()
+		}
+		return nil
+	})
+	if err != nil {
+		return 0, fmt.Errorf("filecache: failed to walk the cache directory: %w", err)
+	}
+
+	return totalSize, nil
+}
+
+// GetTotalSize returns the total size of all files in the cache directory that match the given filter.
+// The size is in bytes.
+func (c *Cacher) GetTotalSize() (int64, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	var totalSize int64
+	err := filepath.Walk(c.dir, func(_ string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			totalSize += info.Size()
+		}
+		return nil
+	})
+
+	if err != nil {
+		return 0, fmt.Errorf("filecache: failed to walk the cache directory: %w", err)
+	}
+
+	return totalSize, nil
+}