Class: PrayerTimes::CalculationMethods

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/prayer_times/calculation_methods.rb

Overview

Helper class to initiate a list of calculation methods and add/update others

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CalculationMethods

Initializer it populates a hash with predefined set of methods



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# File 'lib/prayer_times/calculation_methods.rb', line 116

def initialize
  self.hash = {}
  populate
end

Class Method Details

.default_methods ⇒ Object

default methods defined in this gem Methods MWL, ISNA, Egypt, Makkah, Karachi, Tehran and Jafari are accurate Other methods need validation. Your help is appreciated.



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# File 'lib/prayer_times/calculation_methods.rb', line 11

def self.default_methods
  {
    "MWL" =>{
      desc: 'Muslim World League',
      settings: {fajr: 18, isha: 17}
    },
    'ISNA' => { 
      desc: 'Islamic Society of North America (ISNA)',
      settings: {fajr: 15, isha: 15}
    },
    'Egypt' => {
      desc: 'Egyptian General Authority of Survey',
      settings: {fajr: 19.5, isha: 17.5}
    },
    'Makkah' => {
        desc: 'Umm Al-Qura University, Makkah',
        settings: {fajr: 18.5, isha: '90 min'}  # fajr was 19 degrees before 1430 hijri
    },
    'Karachi' => {
      desc: 'University of Islamic Sciences, Karachi',
      settings: {fajr: 18, isha: 18}
    },
    'Tehran' => {
      desc: 'Institute of Geophysics, University of Tehran',
      settings: {fajr: 17.7, maghrib: 4.5, isha: 14, midnight: 'Jafari'}  # isha is not explicitly specified in this method
    },
   'Jafari' => {
      desc: 'Shia Ithna-Ashari, Leva Institute, Qum',
      settings: {fajr: 16, maghrib: 4, isha: 14, midnight: 'Jafari'}
    },
   'UOIF' =>{
      desc: "UNION DES ORGANISATIONS ISLAMIQUES DE FRANCE",
      settings: {fajr: 19, maghrib: '0 min', isha: 17} 
    },
    'Algeria' =>{
      desc: "Algeria",
      settings: {fajr: 18, maghrib: '3 min',  isha: 17}
    },
    'EmirateDubai' =>{
      desc: "Emirate, Dubai",
      settings: {fajr: 18.5, maghrib: '0 min',  isha: '90 min'},
      offsets: {dhuhr: 4, asr: 5, maghrib: 2}
    },
    'Emirates' =>{
      desc: "Emirates",
      settings: {fajr: 18.5, maghrib: '0 min',  isha: '90 min'},
      offsets: {asr: 4, maghrib: 2}
    },
    'EnglandBirmingham' =>{
      desc: "England, Birmingham",
      settings: {fajr: 5, maghrib: '0 min',  isha: 84},
      offsets: {fajr: -60, isha: 60}
    },
    'Jordan' =>{
      desc: "General Iftaa' Department, The Hashemite Kingdom of Jordan",
      settings: {fajr: 18, maghrib: '0 min', isha: 18} 
    },
    'Kuwait' =>{
      desc: "Kuwait",
      settings: {fajr: 18, maghrib: '0 min', isha: 17.5} 
    },
    'Libya' =>{
      desc: "Libya",
      settings: {fajr: 18.5, maghrib: '0 min',  isha: 18.5},
      offsets: { dhuhr: 4, maghrib: 4}
    },
    'Malaysia' =>{
      desc: "Malaysia",
      settings: {fajr: 20, maghrib: '0 min',  isha: 18},
      offsets: {fajr: 3, sunrise: 2, dhuhr: 1, asr: 2, maghrib: 1, isha: -1}
    },
    'Maldives' =>{
      desc: "Maldives",
      settings: {fajr: 19, maghrib: '0 min',  isha: 19},
      offsets: {sunrise: -1, dhuhr: 4, asr: 1, maghrib: 1, isha: 1}
    },
    'Morocco' =>{
      desc: "Morocco",
      settings: {fajr: 19, maghrib: '0 min',  isha: 17},
      offsets:  {fajr: -1, sunrise: -2, dhuhr: 5, maghrib: 3}
    },
    'Oman' =>{
      desc: "Oman",
      settings: {fajr: 18, maghrib: '5 min',  isha: 18},
      offsets: {dhuhr: 5, asr: 5, isha: 1}
    },
    'Qatar' =>{
      desc: "Qatar",
      settings: {fajr: 18, maghrib: '0 min',  isha: '90 min'}
    },
    'Tunisia' =>{
      desc: "Tunisia",
      settings: {fajr: 18, maghrib: '1 min',  isha: 18},
      offsets:  {fajr: -1, sunrise: -2, dhuhr: 8, isha: 1}
    },
    'Turkey' =>{
      desc: "Presidency of Religious Affairs, Turkey",
      settings: {fajr: 18, maghrib: '9 min',  isha: 17},
      offsets: {fajr: -2, sunrise: -7, dhuhr: 6, asr: 4, isha: 2}
    }
  }
end

Instance Method Details

#add(name, description, settings = {}, offsets = {}) ⇒ Object

Parameters:

  • name (String)
  • description (String)
  • settings (Hash) (defaults to: {})
  • offsets (Hash) (defaults to: {})

See Also:



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# File 'lib/prayer_times/calculation_methods.rb', line 126

def add(name, description, settings={}, offsets={})
  hash[name] = CalculationMethod.new(name, description, settings, offsets)
end

#names ⇒ Array

Names of the available methods

Returns:

  • (Array) —

    list of names



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# File 'lib/prayer_times/calculation_methods.rb', line 132

def names
  keys
end