https://www.visitalburywodonga.com/wp-content/plugins/wisdom-custom-components/app/src/services/storage.js

1/**
2 * Centralized storage service for localStorage operations
3 */
4
5class StorageService {
6  constructor() {
7    this.listeners = new Map()
8  }
9
10  /**
11   * Get item from localStorage with error handling
12   */
13  getItem(key, defaultValue = null) {
14    try {
15      const item = localStorage.getItem(key)
16      return item ? JSON.parse(item) : defaultValue
17    } catch (error) {
18      console.error(`Failed to get localStorage item "${key}":`, error)
19      return defaultValue
20    }
21  }
22
23  /**
24   * Set item in localStorage with error handling
25   */
26  setItem(key, value) {
27    try {
28      localStorage.setItem(key, JSON.stringify(value))
29      this.notifyListeners(key, value)
30      return true
31    } catch (error) {
32      console.error(`Failed to set localStorage item "${key}":`, error)
33      return false
34    }
35  }
36
37  /**
38   * Remove item from localStorage
39   */
40  removeItem(key) {
41    try {
42      localStorage.removeItem(key)
43      this.notifyListeners(key, null)
44      return true
45    } catch (error) {
46      console.error(`Failed to remove localStorage item "${key}":`, error)
47      return false
48    }
49  }
50
51  /**
52   * Add listener for storage changes
53   */
54  addListener(key, callback) {
55    if (!this.listeners.has(key)) {
56      this.listeners.set(key, new Set())
57    }
58    this.listeners.get(key).add(callback)
59
60    // Return unsubscribe function
61    return () => {
62      const keyListeners = this.listeners.get(key)
63      if (keyListeners) {
64        keyListeners.delete(callback)
65        if (keyListeners.size === 0) {
66          this.listeners.delete(key)
67        }
68      }
69    }
70  }
71
72  /**
73   * Notify listeners of storage changes
74   */
75  notifyListeners(key, value) {
76    const keyListeners = this.listeners.get(key)
77    if (keyListeners) {
78      keyListeners.forEach(callback => {
79        try {
80          callback(value, key)
81        } catch (error) {
82          console.error(`Error in storage listener for key "${key}":`, error)
83        }
84      })
85    }
86  }
87
88  /**
89   * Trip planner specific methods
90   */
91  getTripPlannerIds() {
92    return this.getItem('trip_planner_ids', [])
93  }
94
95  setTripPlannerIds(ids) {
96    const success = this.setItem('trip_planner_ids', ids)
97    if (success) {
98      // Dispatch custom event for backward compatibility
99      window.dispatchEvent(new CustomEvent('tripPlannerUpdate', {
100        detail: { ids }
101      }))
102    }
103    return success
104  }
105
106  addToTripPlanner(id) {
107    const ids = this.getTripPlannerIds()
108    if (!ids.includes(id)) {
109      ids.push(id)
110      return this.setTripPlannerIds(ids)
111    }
112    return true
113  }
114
115  removeFromTripPlanner(id) {
116    const ids = this.getTripPlannerIds()
117    const filteredIds = ids.filter(existingId => existingId !== id)
118    if (filteredIds.length !== ids.length) {
119      return this.setTripPlannerIds(filteredIds)
120    }
121    return true
122  }
123
124  toggleTripPlannerItem(id) {
125    const ids = this.getTripPlannerIds()
126    if (ids.includes(id)) {
127      return this.removeFromTripPlanner(id)
128    } else {
129      return this.addToTripPlanner(id)
130    }
131  }
132
133  isTripPlannerItem(id) {
134    return this.getTripPlannerIds().includes(id)
135  }
136}
137
138// Create and export singleton instance
139export const storageService = new StorageService()
140
141// Export class for testing or multiple instances
142export { StorageService }