commit 569784f655479780ac0abcaa5c3f9895fbc49680 · finxol.io/hooks

+104

src/sensors.ts

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       import { Hono } from "hono"

     

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       import { validator } from "hono/validator"

     

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       import { z } from "zod"

     

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       import { tryCatch } from "./util.ts"

     

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       const SensorsSchema = z.object({

     

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           sensorData: z.array(

     
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           deviceName: z.string(),

     

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       })

     

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       const ReverseGeocodingSchema = z.object({

     

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           type: z.literal("FeatureCollection"),

     

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           features: z.array(

     

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               z.object({

     

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                   type: z.literal("Feature"),

     

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                   properties: z.object({

     

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                       datasource: z.object({

     

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                           sourcename: z.string(),

     

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                           attribution: z.string(),

     

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                           license: z.string(),

     

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                           url: z.string(),

     

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                       }).optional(),

     

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                       name: z.string().optional(),

     

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                       country: z.string(),

     

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                       country_code: z.string(),

     

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                       state: z.string().optional(),

     

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                       city: z.string().optional(),

     

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                       postcode: z.string().optional(),

     

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                       district: z.string().optional(),

     

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                       suburb: z.string().optional(),

     

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                       street: z.string().optional(),

     

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                       housenumber: z.string().optional(),

     

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                       iso3166_2: z.string().optional(),

     

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                       lon: z.number(),

     

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                       lat: z.number(),

     

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                       state_code: z.string().optional(),

     

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                       distance: z.number().optional(),

     

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                       result_type: z.string().optional(),

     

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                       formatted: z.string(),

     

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                       address_line1: z.string().optional(),

     

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                       address_line2: z.string().optional(),

     

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                       category: z.string().optional(),

     

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                       timezone: z.object({

     

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                           name: z.string(),

     

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                           offset_STD: z.string(),

     

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                           offset_STD_seconds: z.number(),

     

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                           offset_DST: z.string(),

     

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                           offset_DST_seconds: z.number(),

     

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                           abbreviation_STD: z.string(),

     

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                           abbreviation_DST: z.string(),

     

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                       }).optional(),

     

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                       plus_code: z.string().optional(),

     

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                       rank: z.object({

     

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                           importance: z.number(),

     

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                           popularity: z.number(),

     

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                       }).optional(),

     

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                       place_id: z.string().optional(),

     

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                   }),

     

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                   geometry: z.object({

     

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                       type: z.literal("Point"),

     

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                       coordinates: z.tuple([z.number(), z.number()]),

     

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                   }),

     

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                   bbox: z.array(z.number()).optional(),

     

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               }),

     

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           ),

     

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           query: z.object({

     

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               lat: z.number(),

     

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               lon: z.number(),

     

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               plus_code: z.string().optional(),

     

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           }).optional(),

     

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       })

     

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       type Sensors = z.infer<typeof SensorsSchema>

     

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       const kv = await Deno.openKv()

     

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       const sensors = new Hono()

     

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           .get("/country", async (c) => {

     

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               const data = await kv.get<Sensors>(["sensors", "latest"])

     

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               if (!data.value) {

     

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                   return c.text("No data found", 404)

     

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               }

     

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               const location = data.value.sensorData.find((sensor) =>

     

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                   sensor.sensorType === "location"

     

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               )?.data

     

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               if (!location) {

     

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                   return c.text("No location data found", 404)

     

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               }

     

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               const geocode = await tryCatch(

     

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                   fetch(

     

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                       `https://api.geoapify.com/v1/geocode/reverse?lat=${location.latitude}&lon=${location.longitude}&apiKey=${

     

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                           Deno.env.get("GEOAPIFY_API_KEY")

     

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                       }`,

     

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                   )

     

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                       .then((res) => res.json())

     

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                       .then((data) => data.features[0].properties.country_code),

     

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               )

     

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               if (!geocode.success) {

     

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                   console.error(geocode.error)

     

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                   return c.text("Geoapify API error", 404)

     

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               }

     

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               const country = ReverseGeocodingSchema.safeParse(geocode.value)

     

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               if (!country.success) {

     

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                   console.error(country.error)

     

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                   return c.text("Invalid country data", 400)

     

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               }

     

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               return c.json({

     

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                   country: country.data.features[0].properties.country,

     

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                   country_code: country.data.features[0].properties.country_code,

     

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               })

     

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           })

     

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           .get("/get", async (c) => {

     

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               const data = await kv.get<Sensors>(["sensors", "latest"])

     

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               if (!data.value) {

+57

src/util.ts

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       /**

     

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        * Wraps a promise in a try/catch block and returns a Result object representing

     

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        * either a successful value or an error.

     

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        *

     

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        * This utility function provides a more structured way to handle asynchronous operations

     

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        * without using try/catch blocks throughout your codebase. It follows a pattern similar

     

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        * to Rust's Result type, allowing for more predictable error handling.

     

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        *

     

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        * @template T - The type of the value returned by the promise on success

     

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        * @template E - The type of the error object (defaults to Error)

     

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        *

     

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        * @param promise - The promise to wrap and execute

     

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        *

     

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        * @returns A Promise resolving to a discriminated union object with:

     

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        *   - On success: `{ success: true, value: T, error: null }`

     

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        *   - On failure: `{ success: false, value: null, error: E }`

     

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        *

     

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        * @example

     

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        * // Success case

     

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        * const successResult = await tryCatch(Promise.resolve('data'));

     

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        * if (successResult.success) {

     

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        *   console.log(successResult.value); // 'data'

     

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        * }

     

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        *

     

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        * @example

     

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        * // Error case

     

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        * const errorResult = await tryCatch(Promise.reject(new Error('Failed')));

     

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        * if (!errorResult.success) {

     

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        *   console.error(errorResult.error.message); // 'Failed'

     

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        * }

     

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        *

     

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        * @example

     

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        * // Using with custom error type

     

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        * interface ApiError { code: number; message: string }

     

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        * const apiCall = tryCatch<UserData, ApiError>(fetchUserData());

     

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        */

     

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       export async function tryCatch<T, E = Error>(

     

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           promise: Promise<T>,

     

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       ): Promise<

     

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           | {

     

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               success: true

     

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               value: T

     

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               error: null

     

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           }

     

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           | {

     

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               success: false

     

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               value: null

     

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               error: E

     

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           }

     

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       > {

     

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           try {

     

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               const value = await promise

     

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               return { success: true, value, error: null }

     

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           } catch (error) {

     

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               return { success: false, value: null, error: error as E }

     

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           }

     

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       }