File azan.c changed (mode: 100644) (index 5cccd7d..bf3874b) |
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/* See LICENSE file for copyright and license details. |
/* See LICENSE file for copyright and license details. |
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* |
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* Azan is simple Muslim prayers notifier. |
* Azan is simple Muslim prayers notifier. |
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* print next pray left duration. |
* print next pray left duration. |
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* |
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* use curl lib to make a get request to azan api |
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* save json file in /tmp dir |
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* each time app runs check if cache file exists if not make get request |
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* |
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* read the cache file, get next pray, print left duration %h:%m |
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* send notification if left duration = 0 minutes |
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* |
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* this app should run each 59s |
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*/ |
*/ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <time.h> |
#include <time.h> |
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#include <math.h> |
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#include <string.h> |
#include <string.h> |
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#include <sys/stat.h> |
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#include <curl/curl.h> |
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#include <json-c/json.h> |
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#include "azan.h" |
#include "azan.h" |
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#include "config.h" |
#include "config.h" |
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static int |
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file_exist(char *filename) |
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{ |
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struct stat buffer; |
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return (stat(filename, &buffer) == 0); |
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} |
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static void |
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get_page(const char* url, const char* file_name) |
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{ |
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// Check connection |
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CURL *curl = curl_easy_init(); |
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if(curl) { |
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CURLcode ret; |
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curl_easy_setopt(curl, CURLOPT_URL, "https://google.com/"); |
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// curl_easy_setopt(curl, CURLOPT_URL, "test a failed connection"); |
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curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1L); |
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curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 2L); |
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ret = curl_easy_perform(curl); |
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// If Connected |
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if(ret == CURLE_OK) { |
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CURL* easyhandle = curl_easy_init(); |
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curl_easy_setopt(easyhandle, CURLOPT_URL, url); |
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FILE* file = fopen(file_name, "w"); |
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curl_easy_setopt(easyhandle, CURLOPT_WRITEDATA, file) ; |
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curl_easy_perform(easyhandle); |
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curl_easy_cleanup(easyhandle); |
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fclose(file); |
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} |
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// If Not Connected |
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else{ |
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printf("not connected\n"); |
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} |
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static time_t |
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convert_today_double_to_timet(double event_time) |
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{ |
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/* Convert to hour min */ |
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double hours = floor(event_time); |
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double minutes = round((event_time - hours) * 60.0); |
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time_t now ; |
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time_t converted; |
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(void) time(&now); |
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struct tm tmnow = *localtime(&now); |
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tmnow.tm_hour = (int)hours; |
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tmnow.tm_min = (int)minutes; |
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tmnow.tm_sec = 0; |
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tmnow.tm_mday = tmnow.tm_mday; |
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tmnow.tm_mon = tmnow.tm_mon; |
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tmnow.tm_year = tmnow.tm_year; |
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converted = mktime(&tmnow); |
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/* TEST */ |
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//printf("Diff = %f\n", difftime(converted, now)); |
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//printf("duhr = %.2f %.2f\n", hours, minutes); |
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return converted; |
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} |
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static double |
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convert_gregorian_to_julian(int year, int month, int day) |
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{ |
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if(month <= 2){ |
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year -= 1; |
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month += 12; |
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} |
} |
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double A = floor((double)year / 100); |
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double B = 2 - A + floor(A / 4); |
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double result = floor(365.25 * ((double)year + 4716)) + |
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floor(30.6001 * ((double)month + 1)) + |
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(double)day + B - 1524.5; |
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return result; |
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} |
} |
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static void |
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print_next_pray(time_t t, char *json_file) |
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static double |
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convert_degrees_to_radians(const double x) |
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{ |
{ |
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return ((x) * MI_PI) / 180.0; |
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} |
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/* this fuction get as argument a json file |
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opens it and find pray times data |
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create a local array to store data |
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assign data to array |
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static double |
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convert_radians_to_degrees(const double x) |
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{ |
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return ((x) * 180.0) / MI_PI; |
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} |
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TODO: |
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1- return values as time type |
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2- pass an array insted of creating local one and no return |
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*/ |
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static double |
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normalize(const double x, const double N) |
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{ |
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// Normalizes the given value x to be within the range [0,N] |
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double n; |
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// assert(N > 0.0); |
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n = x - (N * floor( x / N )); |
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// assert(n <= N); |
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return n; |
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} |
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// Parse the json file |
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FILE *fp; |
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char buffer[2048]; |
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fp = fopen(json_file,"r"); |
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fread(buffer, 2048, 1, fp); |
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fclose(fp); |
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struct json_object *parsed_json; |
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struct json_object *data; |
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struct json_object *timings; |
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struct json_object *date; |
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struct json_object *json_hijri; |
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struct json_object *json_date; |
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// typedef struct { |
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// const struct json_object *json_pray; |
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// const char *string_pray; |
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// const unsigned int int_pray; |
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// const time_t time_pray; |
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// }PrayTime; |
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struct json_object *json_pray[5]; |
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const char *array_string_pray[5]; |
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int array_array_int_pray[5][2]; |
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time_t array_time_pray[6]; |
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char array_char_pray_name[6] = {'F','D','A','M','I','F'}; |
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parsed_json = json_tokener_parse(buffer); |
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json_object_object_get_ex(parsed_json, "data" , &data); |
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json_object_object_get_ex(data, "timings", &timings); |
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json_object_object_get_ex(data, "date", &date); |
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json_object_object_get_ex(date, "hijri", &json_hijri); |
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json_object_object_get_ex(json_hijri, "date", &json_date); |
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// Hijri date |
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const char *hijri = json_object_get_string(json_date); |
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json_object_object_get_ex(timings, "Fajr", &json_pray[0]); |
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json_object_object_get_ex(timings, "Dhuhr", &json_pray[1]); |
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json_object_object_get_ex(timings, "Asr", &json_pray[2]); |
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json_object_object_get_ex(timings, "Maghrib", &json_pray[3]); |
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json_object_object_get_ex(timings, "Isha", &json_pray[4]); |
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// Handel time and duration |
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// struct tm current_time = *localtime(&t); |
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struct tm dt = *localtime(&t); |
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for(int i = 0; i < 5; i++){ |
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// Create array of strings from the json object |
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array_string_pray[i] = json_object_get_string(json_pray[i]), |
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// Remove : from string parsed from json file |
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// Add to pray_int array |
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sscanf(array_string_pray[i], "%d:%d", |
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&array_array_int_pray[i][0], &array_array_int_pray[i][1]); |
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// Change the hours and minutes from int array to time type |
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dt.tm_hour = array_array_int_pray[i][0]; |
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dt.tm_min = array_array_int_pray[i][1]; |
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array_time_pray[i] = mktime(&dt); |
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}; |
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// Create next fajr |
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dt.tm_mday = dt.tm_mday+1; |
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dt.tm_hour = array_array_int_pray[0][0]; |
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dt.tm_min = array_array_int_pray[0][1]; |
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array_time_pray[5] = mktime(&dt); |
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for(int i=0; i<6; i++){ |
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if(t == array_time_pray[i]){ |
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printf("%*.*s 00:00\n", 5, 5, hijri); |
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char command[100], msg[100]; |
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strcpy(command,"notify-send "); |
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strcpy(msg,"\"Azan\""); |
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strcat(command,msg); |
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(void) system(command); |
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break; |
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static double |
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get_equation_time(const unsigned long jdn, double *D) |
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{ |
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double d; /* Julian Day Number from 1 January 2000 */ |
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double g; /* Mean anomaly of the Sun */ |
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double q; /* Mean longitude of the Sun */ |
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double L; /* Geocentric apparent ecliptic longitude of the Sun |
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(adjusted for aberration) */ |
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// double R; /* The approximated distance of the Sun from the Earth |
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// in astronomical units (AU) */ |
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double e; /* The mean obliquity of the ecliptic */ |
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double RA; /* The Sun's right ascension */ |
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// double D; /* The Sun's Declination */ |
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double EqT; /* The Equation of Time */ |
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// double SD; /* The angular semidiameter of the Sun in degrees */ |
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// assert (jdn > 2451545); |
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d = (double)(jdn - 2451545); /* Remove the offset from jdn */ |
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g = 357.529 + 0.98560028 * d; |
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q = 280.459 + 0.98564736 * d; |
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L = q + 1.915 * sin(convert_degrees_to_radians(g)) + \ |
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0.020 * sin(convert_degrees_to_radians(2.0*g)); |
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// R = 1.00014 - 0.01671 * cos(to_radians(g)) - |
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// 0.00014 * cos(to_radians(2.0*g)); |
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e = 23.439 - 0.00000036 * d; |
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RA = convert_radians_to_degrees(atan2(cos(convert_degrees_to_radians(e)) * sin(convert_degrees_to_radians(L)), |
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cos(convert_degrees_to_radians(L)))/15.0); |
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*D = convert_radians_to_degrees(asin(sin(convert_degrees_to_radians(e)) * sin(convert_degrees_to_radians(L)))); |
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EqT = q/15.0 - RA; |
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/* Resulting EqT Can be larger than 360. |
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* Therefore, it needs normalization */ |
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EqT = normalize(EqT, 360.0); |
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// SD = 0.2666 / R; |
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return EqT; |
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// coord->D = D; |
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// coord->EqT = EqT; |
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// coord->R = R; |
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// coord->SD = SD; |
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} |
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static double |
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T(const double alpha,const double latitude,const double D) |
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{ |
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double p1 = 1.0/15.0; |
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double p2 = cos(convert_degrees_to_radians(latitude)) * cos(convert_degrees_to_radians(D)); |
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double p3 = sin(convert_degrees_to_radians(latitude)) * sin(convert_degrees_to_radians(D)); |
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double p4 = -1.0 * sin(convert_degrees_to_radians(alpha)); |
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double p5 = convert_radians_to_degrees(acos((p4 - p3) / p2)); |
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double r = p1 * p5; |
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return r; |
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} |
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static double |
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A(const double t, const double latitude, const double D) |
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{ |
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double p1 = 1.0/15.0; |
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double p2 = cos(convert_degrees_to_radians(latitude)) * cos(convert_degrees_to_radians(D)); |
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double p3 = sin(convert_degrees_to_radians(latitude)) * sin(convert_degrees_to_radians(D)); |
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double p4 = tan(convert_degrees_to_radians((latitude - D))); |
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double p5 = atan2(1.0, (t + p4)); |
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double p6 = sin(p5); |
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double p7 = acos((p6 - p3) / p2); |
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double r = p1 * convert_radians_to_degrees(p7); |
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return r; |
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} |
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static double |
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get_sunrise(double dhuhr, double latitude, double altitude, double D) |
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{ |
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return (dhuhr - T(0.8333 + 0.0347 * sqrt(altitude), latitude, D)); |
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} |
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/* Prayers Function */ |
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static double |
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get_fajr(double duhr, double latitude, double D, short fajr_angle) |
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{ |
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double fajr = duhr - T(fajr_angle, latitude, D); |
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return fajr; |
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} |
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static double |
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get_duhr(double timezone, double longitude, double EqT) |
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{ |
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/* Duhr equation */ |
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static double duhr; |
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duhr = 12.0 + timezone - longitude/15.0 - EqT; |
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duhr = normalize(duhr, 24.0); |
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// printf("duhr = %lf\n", duhr); |
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return duhr; |
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} |
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static double |
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get_asr(double duhr, double latitude, double D) |
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{ |
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double asr; |
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if (use_major == 1){ |
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asr = duhr + A(1.0, latitude, D); |
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/* Hanafi */ |
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} else { |
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asr = duhr + A(2.0, latitude, D); |
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} |
} |
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else if(t < array_time_pray[i]){ |
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// duration to next pray |
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int seconds = difftime(array_time_pray[i], t); |
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unsigned int hours = (seconds / (60*60)); |
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unsigned int minutes = (seconds / (60)) % 60; |
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printf("%*.*s %c %.2d:%.2d\n", 5, 5, hijri, |
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array_char_pray_name[i], hours, minutes); break; |
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}; |
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}; |
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//struct tm tm; |
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// char buf[255]; |
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// |
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// strptime("2001-11-13 18:31:01", "%Y-%m-%d %H:%M:%S", &tm); |
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// strftime(buf, sizeof(buf), "%s", &tm); |
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// puts(buf); |
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// exit(EXIT_SUCCESS); |
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asr = normalize(asr, 24.0); |
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return asr; |
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} |
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static double |
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get_maghrib(double dhuhr, double latitude, double altitude, double D) |
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{ |
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return (dhuhr + T(0.8333 + 0.0347 * sqrt(altitude), latitude, D)); |
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} |
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static double |
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get_isha(double duhr, double maghrib, double latitude, double altitude, |
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double D, double isha_angle) |
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{ |
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double one_min = 60.0/3600.0; |
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double isha; |
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/* Umm Al-Qura */ |
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if (use_umm_al_qura == 1) { |
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isha = maghrib + 90 * one_min; |
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/* Ramadan Umm Al-Qura */ |
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} else if (is_ramadan == 1){ |
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isha = maghrib + 120 * one_min; |
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/* Use isha_angle */ |
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} else { |
|
209 |
|
isha = duhr + T(isha_angle, latitude, D); |
|
210 |
|
} |
|
211 |
|
|
|
212 |
|
isha = normalize(isha, 24.0); |
|
213 |
|
return isha; |
|
214 |
|
} |
|
215 |
|
|
|
216 |
|
static double |
|
217 |
|
get_next_fajr(double fajr) |
|
218 |
|
{ |
|
219 |
|
return fajr; |
|
220 |
|
} |
|
221 |
|
|
|
222 |
|
void |
|
223 |
|
tests(void) |
|
224 |
|
{ |
|
225 |
|
time_t t = time(NULL); |
|
226 |
|
struct tm current_date = *localtime(&t); |
|
227 |
|
int day = current_date.tm_mday; |
|
228 |
|
int month = current_date.tm_mon + 1; |
|
229 |
|
int year = current_date.tm_year + 1900; |
|
230 |
|
printf("Today Date\t%.2i %.2i %.2i\n\n", day, month, year); |
177 |
231 |
} |
} |
178 |
232 |
|
|
179 |
233 |
int |
int |
180 |
234 |
main(void) |
main(void) |
181 |
235 |
{ |
{ |
|
236 |
|
/* Current date time */ |
182 |
237 |
time_t t = time(NULL); |
time_t t = time(NULL); |
183 |
|
struct tm tm_variable = *localtime(&t); |
|
184 |
|
|
|
185 |
|
// Cache file name |
|
186 |
|
static char cache_file[32]; |
|
187 |
|
sprintf(cache_file, "/tmp/%.2d-%.2d-%d.json", |
|
188 |
|
tm_variable.tm_mday, tm_variable.tm_mon+1, |
|
189 |
|
tm_variable.tm_year+1900); |
|
190 |
|
|
|
191 |
|
// Chech if cache does not exists |
|
192 |
|
if (!file_exist (cache_file)){ |
|
193 |
|
static char api_url[128]; |
|
194 |
|
sprintf(api_url, |
|
195 |
|
"http://api.aladhan.com/v1/timingsByCity?city=%s&country=%s&method=8", |
|
196 |
|
city, country); |
|
197 |
|
|
|
198 |
|
// Create the cache file |
|
199 |
|
get_page(api_url, cache_file); |
|
200 |
|
} |
|
|
238 |
|
struct tm current_date = *localtime(&t); |
|
239 |
|
int day = current_date.tm_mday; |
|
240 |
|
int month = current_date.tm_mon + 1; |
|
241 |
|
int year = current_date.tm_year + 1900; |
|
242 |
|
double julian_date = convert_gregorian_to_julian(year, month, day); |
|
243 |
|
|
|
244 |
|
/* Equation of Time */ |
|
245 |
|
double D; |
|
246 |
|
double equation_of_time = get_equation_time(julian_date, &D); |
|
247 |
|
// printf("EqTmine = %lf\n", equation_of_time); |
|
248 |
|
|
|
249 |
|
/* Today's Prayers time */ |
|
250 |
|
double duhr = get_duhr(time_zone, longitude, equation_of_time); |
|
251 |
|
double sunrise = get_sunrise(duhr, latitude, altitude, D); |
|
252 |
|
double fajr = get_fajr(duhr, latitude, D, fajr_angle); |
|
253 |
|
double maghrib = get_maghrib(duhr, latitude, altitude, D); |
|
254 |
|
double isha = get_isha(duhr, maghrib, latitude, altitude, D, isha_angle); |
|
255 |
|
double asr = get_asr(duhr, latitude, D); |
|
256 |
|
// time_t next_fajr = get_next_fajr(duhr); |
|
257 |
|
|
|
258 |
|
/* Test */ |
|
259 |
|
tests(); |
|
260 |
|
|
|
261 |
|
/* Print Next Prayer left duration */ |
|
262 |
|
printf("fajr\t\t%lf\nsunrise\t\t%lf\nduhr\t\t%lf\nasr\t\t%lf\nmaghrib\t\t%lf\nisha\t\t%lf\n", |
|
263 |
|
fajr, |
|
264 |
|
sunrise, |
|
265 |
|
duhr, |
|
266 |
|
asr, |
|
267 |
|
maghrib, |
|
268 |
|
isha); |
|
269 |
|
|
|
270 |
|
printf("\nUnixTime\nfaj\t\t%ld\nsunrise\t\t%ld\nduhr\t\t%ld\nasr\t\t%ld\nmaghrib\t\t%ld\nisha\t\t%ld\n", |
|
271 |
|
convert_today_double_to_timet(fajr), |
|
272 |
|
convert_today_double_to_timet(sunrise), |
|
273 |
|
convert_today_double_to_timet(duhr), |
|
274 |
|
convert_today_double_to_timet(asr), |
|
275 |
|
convert_today_double_to_timet(maghrib), |
|
276 |
|
convert_today_double_to_timet(isha)); |
201 |
277 |
|
|
202 |
|
// Read if exists cache file and print next pray left time |
|
203 |
|
if (file_exist (cache_file)){ |
|
204 |
|
print_next_pray(t, cache_file); |
|
205 |
|
} |
|
206 |
278 |
return 0; |
return 0; |
207 |
279 |
} |
} |