src/html.c

   1 /*
   2     Copyright (C) 2011 jeanfi@gmail.com
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17     02110-1301 USA
  18 */
  19
  20 #include <string.h>
  21
  22 #include "html.h"
  23 #include "lp_ws.h"
  24
  25 #include <json/json.h>
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 #define HTML_TEMPLATE \
  31 "<html>\n\
  32   <head>\n\
  33     <script type='text/javascript' src='https://www.google.com/jsapi'></script>\n\
  34     <script type='text/javascript'>\n\
  35       google.load('visualization', '1', {packages:['corechart']});\
  36       google.setOnLoadCallback(drawChart);\n\
  37       function drawChart() {\n\
  38         var data = new google.visualization.DataTable();\n\
  39         data.addColumn('string', 'Date');\n\
  40 %s\
  41         data.addRows(%s);\n\
  42         data.sort(0);\n\
  43         var chart = new google.visualization.LineChart(document.getElementById('chart_div'));\n\
  44         chart.draw(data, {width: 1024, height: 768, title: 'PPA Statistics'});\n\
  45       }\n\
  46     </script>\n\
  47   </head>\n\
  48 \n\
  49   <body>\n\
  50     <div id='chart_div'></div>\n\
  51   </body>\n\
  52 </html>\n"
  53
  54 static json_object *
  55 get_count_array(json_object *data, const char *date)
  56 {
  57         int n, i;
  58         json_object *o, *o_date;
  59         const char *date2;
  60
  61         n = json_object_array_length(data);
  62         for (i = 0; i < n; i++) {
  63                 o = json_object_array_get_idx(data, i);
  64                 o_date = json_object_array_get_idx(o, 0);
  65                 date2 = json_object_get_string(o_date);
  66
  67                 if (!strcmp(date2, date))
  68                         return o;
  69         }
  70
  71         return NULL;
  72 }
  73
  74 static json_object *count_array_new(json_object *data, const char *d, int n)
  75 {
  76         json_object *result = json_object_new_array();
  77         int i;
  78
  79         json_object_array_add(result, json_object_new_string(d));
  80
  81         for (i = 0; i < n; i++)
  82                 json_object_array_add(result, json_object_new_int(0));
  83
  84         json_object_array_add(data, result);
  85
  86         return result;
  87 }
  88
  89 static char *
  90 build_package_display_name(struct binary_package_publishing_history *b)
  91 {
  92         char *str = malloc(strlen(b->binary_package_name)+
  93                            1+
  94                            strlen(b->binary_package_version)+
  95                            1);
  96
  97         sprintf(str, "%s-%s",
  98                 b->binary_package_name, b->binary_package_version);
  99
 100         return str;
 101 }
 102
 103 static char *
 104 build_addcolums_str(struct binary_package_publishing_history **list)
 105 {
 106         struct binary_package_publishing_history **cur = list;
 107         struct binary_package_publishing_history *b;
 108         char *str, *tmpstr;
 109         char *dname;
 110
 111         str = malloc(1);
 112         *str = '\0';
 113         const char *pattern = "%s        data.addColumn('number', '%s');\n";
 114
 115         while (*cur) {
 116                 b = *cur;
 117                 dname = build_package_display_name(b);
 118
 119                 tmpstr = malloc(strlen(str)+strlen(pattern)+strlen(dname)+1);
 120                 sprintf(tmpstr, pattern, str, dname);
 121
 122                 free(str);
 123                 free(dname);
 124
 125                 str = tmpstr;
 126
 127                 cur++;
 128         }
 129
 130         return str;
 131 }
 132
 133 static char *
 134 build_data_str(struct binary_package_publishing_history **list)
 135 {
 136         int n, i;
 137         json_object *data;
 138         char *str;
 139
 140         n = list_length((void **)list);
 141
 142         data = json_object_new_array();
 143         for (i = 0; i < n; i++) {
 144                 struct binary_package_publishing_history *binary;
 145                 struct distro_arch_series *dist;
 146                 struct daily_download_total **totals;
 147                 struct daily_download_total **t_cur;
 148
 149                 binary = list[i];
 150                 dist = get_distro_arch_series(binary->distro_arch_series_link);
 151
 152                 totals = get_daily_download_totals(binary->self_link);
 153
 154                 t_cur = totals;
 155                 while (*t_cur) {
 156                         char *d = malloc(10+1);
 157                         json_object *data2;
 158
 159                         sprintf(d, "%d-%02d-%02d",
 160                                 (*t_cur)->date.tm_year+1900,
 161                                 (*t_cur)->date.tm_mon+1,
 162                                 (*t_cur)->date.tm_mday);
 163
 164                         data2 = get_count_array(data, d);
 165
 166                         if (!data2)
 167                                 data2 = count_array_new(data, d, n);
 168
 169                         json_object_array_put_idx
 170                                 (data2,
 171                                  i+1, json_object_new_int((*t_cur)->count));
 172
 173                         free(d);
 174                         t_cur++;
 175                 }
 176
 177                 daily_download_total_list_free(totals);
 178                 distro_arch_series_free(dist);
 179         }
 180
 181         str = strdup(json_object_to_json_string(data));
 182
 183         json_object_put(data);
 184
 185         return str;
 186 }
 187
 188 void ppa_to_html(const char *owner, const char *ppa)
 189 {
 190         struct binary_package_publishing_history **list;
 191         char *archive_url = get_archive_url(owner, ppa);
 192         char *addcolumns_str;
 193         char *data_str;
 194
 195         list = get_binary_package_publishing_history_list(archive_url);
 196         free(archive_url);
 197
 198         if (!list) {
 199                 fprintf(stderr, "Failed to retrieve PPA information\n");
 200                 exit(EXIT_FAILURE);
 201         }
 202
 203         addcolumns_str = build_addcolums_str(list);
 204         data_str = build_data_str(list);
 205
 206         printf(HTML_TEMPLATE, addcolumns_str, data_str);
 207
 208         free(addcolumns_str);
 209         free(data_str);
 210         binary_package_publishing_history_list_free(list);
 211 }