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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -22,4 +22,5 @@ npm-debug.log* | |
| yarn-debug.log* | ||
| yarn-error.log* | ||
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| .env | ||
| .env | ||
| /read | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| class RedisManager { | ||
| private static instance: RedisManager; | ||
| private readonly UPSTASH_REDIS_REST_URL: string; | ||
| private readonly UPSTASH_REDIS_REST_TOKEN: string; | ||
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| private constructor() { | ||
| this.UPSTASH_REDIS_REST_URL = | ||
| process.env.REACT_APP_UPSTASH_REDIS_REST_URL || ""; | ||
| this.UPSTASH_REDIS_REST_TOKEN = | ||
| process.env.REACT_APP_UPSTASH_REDIS_REST_TOKEN || ""; | ||
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|
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| if (!this.UPSTASH_REDIS_REST_URL || !this.UPSTASH_REDIS_REST_TOKEN) { | ||
| throw new Error("Redis environment variables are not set"); | ||
| } | ||
| } | ||
|
|
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| public static getInstance(): RedisManager { | ||
| if (!RedisManager.instance) { | ||
| RedisManager.instance = new RedisManager(); | ||
| } | ||
| return RedisManager.instance; | ||
| } | ||
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| private getAuthHeaders() { | ||
| return { | ||
| Authorization: `Bearer ${this.UPSTASH_REDIS_REST_TOKEN}`, | ||
| }; | ||
| } | ||
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| public async incrementRedisValue(key: string): Promise<number | null> { | ||
| try { | ||
| const response = await fetch( | ||
| `${this.UPSTASH_REDIS_REST_URL}/incr/${key}`, | ||
| { | ||
| headers: this.getAuthHeaders(), | ||
| } | ||
| ); | ||
| if (!response.ok) return null; | ||
| const data = await response.json(); | ||
| return data.result; | ||
| } catch { | ||
| return null; | ||
| } | ||
| } | ||
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|
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| public async setRedisValue(key: string, value: string): Promise<void> { | ||
| try { | ||
| await fetch(`${this.UPSTASH_REDIS_REST_URL}/set/${key}/${value}`, { | ||
| headers: this.getAuthHeaders(), | ||
| }); | ||
| } catch { | ||
| // Silently fail | ||
| } | ||
| } | ||
|
|
||
| public async initializeUser(locationAddress: string): Promise<string | null> { | ||
| try { | ||
| const totalUsers = await this.incrementRedisValue("totalUsers"); | ||
| if (totalUsers === null) return null; | ||
| const userId = `user:${totalUsers}`; | ||
| await this.setRedisValue(`${userId}:location`, locationAddress); | ||
| await this.setRedisValue(`${userId}:queries`, "0"); | ||
| return userId; | ||
| } catch { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| public async recordQuery( | ||
| userId: string, | ||
| locationAddress: string | ||
| ): Promise<void> { | ||
| try { | ||
| await this.incrementRedisValue(`${userId}:queries`); | ||
| await this.incrementRedisValue("totalQueries"); | ||
| await this.setRedisValue(`${userId}:location`, locationAddress); | ||
| } catch { | ||
| // Silently fail | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Export functions that use the RedisManager instance | ||
| export const initializeUser = async ( | ||
| locationAddress: string | ||
| ): Promise<string | null> => { | ||
| return RedisManager.getInstance().initializeUser(locationAddress); | ||
| }; | ||
|
|
||
| export const recordQuery = async ( | ||
| userId: string, | ||
| locationAddress: string | ||
| ): Promise<void> => { | ||
| return RedisManager.getInstance().recordQuery(userId, locationAddress); | ||
| }; |
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