fixes

lib/cache.go

@@ -1,11 +1,12 @@
 package lib
 
 import (
-	"encoding/json"
+	"encoding/json" // Added for logging
 	"os"
+	// Added for path manipulation
 )
 
-const cacheFile = "cache.json"
+const cacheFileName = "cache.json" // Renamed for clarity
 
 type CacheItem struct {
 	Fetcher string
@@ -13,7 +14,15 @@ type CacheItem struct {
 }
 
 type Cache struct {
-	Items []CacheItem
+	Items         []CacheItem
+	cacheFilePath string // New field to store the full path
+}
+
+func NewCache() *Cache {
+	return &Cache{
+		Items:         make([]CacheItem, 0),
+		cacheFilePath: cacheFileName,
+	}
 }
 
 func (c *Cache) Update(fetcher string, value string) {
@@ -45,7 +54,10 @@ func (c *Cache) Has(fetcher string) bool {
 
 func (c *Cache) IsChanged(fetcher string, value string) bool {
 	cachedValue, found := c.Get(fetcher)
-	if !found || cachedValue != value {
+	if !found {
+		return true
+	}
+	if cachedValue != value {
 		return true
 	}
 	return false
@@ -60,21 +72,21 @@ func (c *Cache) TryUpdate(fetcher string, value string) bool {
 }
 
 func (c *Cache) Load() {
-	f, err := os.Open(cacheFile)
+	f, err := os.Open(c.cacheFilePath)
 	if err != nil {
 		return
 	}
 	defer f.Close()
 
-	_ = json.NewDecoder(f).Decode(&c.Items)
+	json.NewDecoder(f).Decode(&c.Items)
 }
 
 func (c *Cache) Save() {
-	f, err := os.Create(cacheFile)
+	f, err := os.Create(c.cacheFilePath)
 	if err != nil {
 		return
 	}
 	defer f.Close()
 
-	_ = json.NewEncoder(f).Encode(c.Items)
+	json.NewEncoder(f).Encode(c.Items)
 }