prayer-first/dist/esm/db.js

Prayer times for all cities based on location for developers only

import path from 'path';
import { fileURLToPath } from 'url';
import Database from 'better-sqlite3';
import { getDistanceLatLonInKm, parseDate } from './utils.js';

// db path

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const dbPath = path.join(__dirname, 'muslim_db_v2.5.1.db');
const Db = new Database(dbPath);
function findClosestCity(latitude, longitude) {
  // const rows = Db.prepare('SELECT latitude, longitude , name,_id From location').all()

  const delta = 0.1;
  const rows = Db.prepare(`
  SELECT latitude, location.name AS city_name,
  longitude,prayer_dependent_id,has_fixed_prayer_time, 
  location._id,
  country.name AS country_name
  FROM location
  LEFT JOIN country ON country._id = location.country_id
  WHERE latitude BETWEEN ? AND ? AND longitude BETWEEN ? AND ?
`).all(latitude - delta, latitude + delta, longitude - delta, longitude + delta);
  let closestCity = null;
  let minDistance = Infinity;
  for (const city of rows) {
    const dist = getDistanceLatLonInKm(latitude, longitude, city.latitude, city.longitude);
    if (dist < minDistance) {
      minDistance = dist;
      closestCity = city;
    }
  }
  if (!closestCity) {
    return {
      status: false,
      error: "No data found for this location"
    };
  }
  return {
    status: true,
    data: closestCity
  };
}
function findCity(countryName, countryCity) {
  //   const country = Db.prepare(`
  //   SELECT name, code, _id FROM country
  //   WHERE name = ? OR code = ?
  // `).get(countryName,countryName);

  //  if (!country){
  //   return {status :false, error:"Country not found Enter a country name or country code"}
  //  }
  //   const city = Db.prepare(`
  //   SELECT latitude, name, longitude,prayer_dependent_id,has_fixed_prayer_time, _id FROM location
  //   WHERE country_id = ? AND name = ?
  // `).get(country._id,countryCity);

  const city = Db.prepare(`
      SELECT country.name AS country_name,
      country.code, location._id,
      latitude, 
      location.name AS city_name, 
      longitude,prayer_dependent_id,has_fixed_prayer_time
      FROM location
      LEFT JOIN country ON country._id = location.country_id
      WHERE (country.name = ? OR country.code = ?) AND location.name = ?
      `).get(countryName, countryName, countryCity);
  if (!city) {
    return {
      status: false,
      error: "city not found Enter a city name"
    };
  }
  //  city.country = country.name;

  return {
    status: true,
    data: city
  };
}

// here date parameter can be a day or date to deal with difrent date format
function getDbPrayerTime(location_id, date, month, year) {
  let rows;
  if (date && month) {
    const dayNum = Number(date);
    const monthNum = Number(month);
    if (monthNum >= 1 && monthNum <= 12 && dayNum >= 1 && dayNum <= 31) {
      const row = Db.prepare(`
        SELECT month, day, fajr, sunrise, dhuhr, asr, maghrib, isha FROM prayer_time
        WHERE location_id = ? AND month = ? AND day = ?
      `).get(location_id, monthNum, dayNum);
      if (!row) {
        return {
          status: false,
          error: "No data found for this date"
        };
      }
      return {
        status: true,
        day: dayNum,
        month: monthNum,
        date: `${month}-${date}`,
        times: row
      };
    } else {
      return {
        status: false,
        error: "month must be number btween 1-12 And day must be btween 1-31"
      };
    }
  }
  // return month
  else if (/^\d{1,2}$/.test(date) && !month && !year) {
    const monthNum = Number(date);
    if (monthNum >= 1 && monthNum <= 12) {
      rows = Db.prepare(`
      SELECT month, day, fajr, sunrise, dhuhr, asr, maghrib, isha FROM prayer_time
      WHERE location_id = ? AND month = ?
    `).all(location_id, monthNum);
      return {
        status: true,
        month: monthNum,
        times: rows
      };
    } else {
      return {
        status: false,
        error: "for geting all month times enter number btween 1-12 with out month and year parameter"
      };
    }
    // return year
  } else if (/^\d{4}$/.test(date) || year && !date && !month) {
    rows = Db.prepare(`
      SELECT month, day, fajr, sunrise, dhuhr, asr, maghrib, isha FROM prayer_time
      WHERE location_id = ?
    `).all(location_id);
    return {
      status: true,
      times: rows
    };
    // spefic day
  } else {
    const formattedDate = parseDate(date, "MM-DD");
    const row = Db.prepare(`
      SELECT fajr, sunrise, dhuhr, asr, maghrib, isha FROM prayer_time
      WHERE location_id = ? AND date = ?
    `).get(location_id, formattedDate);
    if (!row) {
      return {
        status: false,
        error: "No data found for date"
      };
    }
    return {
      status: true,
      date: formattedDate,
      data: row
    };
  }
}
export { findClosestCity, findCity, getDbPrayerTime };