src/lp_json.c

   1 /*
   2  * Copyright (C) 2011-2014 jeanfi@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * 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 #define _XOPEN_SOURCE_EXTENDED
  20 #define _XOPEN_SOURCE
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <time.h>
  25
  26 #include "lp_json.h"
  27 #include "lp_ws.h"
  28 #include <ptime.h>
  29
  30 static time_t json_to_time(json_object *json)
  31 {
  32         const char *str;
  33         struct tm tm;
  34         char *ret;
  35
  36         str = json_object_get_string(json);
  37         if (!str)
  38                 return -1;
  39
  40
  41         memset(&tm, 0, sizeof(struct tm));
  42         tm.tm_isdst = -1;
  43         ret = strptime(str, "%FT%T", &tm);
  44
  45         if (ret)
  46                 return mktime(&tm);
  47         else
  48                 return -1;
  49 }
  50
  51 static json_object *time_to_json(time_t t)
  52 {
  53         char *str;
  54
  55         str = time_to_str(&t);
  56
  57         if (str)
  58                 return json_object_new_string(str);
  59         else
  60                 return NULL;
  61 }
  62
  63 static struct bpph *json_to_bpph(json_object *o)
  64 {
  65         const char *binary_package_name;
  66         const char *binary_package_version;
  67         const char *distro_arch_series_link;
  68         const char *self_link;
  69         int arch_specific;
  70         struct bpph *bpph;
  71         const char *status;
  72         time_t date_created;
  73
  74         binary_package_name = json_object_get_string
  75                 (json_object_object_get(o, "binary_package_name"));
  76
  77         binary_package_version = json_object_get_string
  78                 (json_object_object_get(o, "binary_package_version"));
  79
  80         distro_arch_series_link = json_object_get_string
  81                 (json_object_object_get(o, "distro_arch_series_link"));
  82
  83         self_link = json_object_get_string
  84                 (json_object_object_get(o, "self_link"));
  85
  86         arch_specific = json_object_get_boolean
  87                 (json_object_object_get(o, "architecture_specific"));
  88
  89         date_created = json_to_time(json_object_object_get(o, "date_created"));
  90
  91         status = json_object_get_string(json_object_object_get(o, "status"));
  92
  93         bpph =  bpph_new(binary_package_name,
  94                          binary_package_version,
  95                          distro_arch_series_link,
  96                          self_link,
  97                          status,
  98                          arch_specific,
  99                          date_created);
 100
 101         return bpph;
 102 }
 103
 104 static json_object *bpph_to_json(struct bpph *bpph)
 105 {
 106         json_object *json;
 107
 108         json = json_object_new_object();
 109
 110         json_object_object_add
 111                 (json,
 112                  "binary_package_name",
 113                  json_object_new_string(bpph->binary_package_name));
 114
 115         json_object_object_add
 116                 (json,
 117                  "binary_package_version",
 118                  json_object_new_string(bpph->binary_package_version));
 119
 120         json_object_object_add
 121                 (json,
 122                  "distro_arch_series_link",
 123                  json_object_new_string(bpph->distro_arch_series_link));
 124
 125         json_object_object_add
 126                 (json, "self_link", json_object_new_string(bpph->self_link));
 127
 128         json_object_object_add
 129                 (json,
 130                  "architecture_specific",
 131                  json_object_new_boolean(bpph->architecture_specific));
 132
 133         json_object_object_add
 134                 (json, "status", json_object_new_string(bpph->status));
 135
 136         json_object_object_add
 137                 (json, "date_created", time_to_json(bpph->date_created));
 138
 139         return json;
 140 }
 141
 142 struct distro_arch_series *json_object_to_distro_arch_series(json_object *o)
 143 {
 144         const char *display_name;
 145         const char *title;
 146         const char *architecture_tag;
 147         json_bool is_nominated_arch_indep;
 148         const char *distroseries_link;
 149
 150         display_name = json_object_get_string
 151                 (json_object_object_get(o, "display_name"));
 152
 153         title = json_object_get_string
 154                 (json_object_object_get(o, "title"));
 155
 156         architecture_tag = json_object_get_string
 157                 (json_object_object_get(o, "architecture_tag"));
 158
 159         distroseries_link = json_object_get_string
 160                 (json_object_object_get(o, "distroseries_link"));
 161
 162         is_nominated_arch_indep = json_object_get_boolean
 163                 (json_object_object_get(o, "is_nominated_arch_indep"));
 164
 165         return distro_arch_series_new(display_name,
 166                                       title,
 167                                       architecture_tag,
 168                                       is_nominated_arch_indep,
 169                                       distroseries_link);
 170 }
 171
 172 struct distro_series *json_object_to_distro_series(json_object *o)
 173 {
 174         const char *displayname;
 175         const char *title;
 176         const char *name;
 177         const char *version;
 178
 179         displayname = json_object_get_string
 180                 (json_object_object_get(o, "displayname"));
 181
 182         title = json_object_get_string(json_object_object_get(o, "title"));
 183
 184         version = json_object_get_string(json_object_object_get(o, "version"));
 185
 186         name = json_object_get_string(json_object_object_get(o, "name"));
 187
 188         return distro_series_new(name,
 189                                  version,
 190                                  title,
 191                                  displayname);
 192 }
 193
 194 struct bpph **json_object_to_bpph_list(json_object *o)
 195 {
 196         json_object *o_entries;
 197         int i, n, i2;
 198         struct bpph **entries, *h;
 199         const struct distro_arch_series *distro;
 200
 201         o_entries = json_object_object_get(o, "entries");
 202
 203         if (!o_entries)
 204                 return NULL;
 205
 206         n = json_object_array_length(o_entries);
 207
 208         entries = malloc
 209                 (sizeof(struct bpph *)*(n+1));
 210
 211         for (i = 0, i2 = 0; i < n; i++) {
 212                 h = json_to_bpph(json_object_array_get_idx(o_entries,
 213                                                            i));
 214
 215                 if (!h->architecture_specific) {
 216                         distro = get_distro_arch_series
 217                                 (h->distro_arch_series_link);
 218
 219                         if (!distro || !distro->is_nominated_arch_indep) {
 220                                 bpph_free(h);
 221                                 continue ;
 222                         }
 223                 }
 224
 225                 entries[i2] = h;
 226                 i2++;
 227         }
 228         entries[i2] = NULL;
 229
 230         return entries;
 231 }
 232
 233 json_object *bpph_list_to_json(struct bpph **list)
 234 {
 235         json_object *result, *entries;
 236         struct bpph **cur;
 237
 238         result = json_object_new_object();
 239
 240         entries = json_object_new_array();
 241         json_object_object_add(result, "entries", entries);
 242
 243         if (list)
 244                 for (cur = list; *cur; cur++)
 245                         json_object_array_add(entries, bpph_to_json(*cur));
 246
 247         return result;
 248 }
 249
 250 struct daily_download_total *
 251 json_object_to_daily_download_total(const char *d, json_object *o_c)
 252 {
 253         struct daily_download_total *result;
 254
 255         result = malloc(sizeof(struct daily_download_total));
 256         result->count = json_object_get_int(o_c);
 257
 258         memset(&result->date, 0, sizeof(struct tm));
 259         strptime(d, "%FT%T%z", &result->date);
 260
 261         return result;
 262 }
 263
 264 static int json_object_get_fields_count(json_object *o)
 265 {
 266         int n = 0;
 267         struct lh_entry *entry;
 268
 269         entry = json_object_get_object(o)->head;
 270         while (entry) {
 271                 entry = entry->next;
 272                 n++;
 273         }
 274
 275         return n;
 276 }
 277
 278 struct daily_download_total * *
 279 json_object_to_daily_download_totals(json_object *o)
 280 {
 281         int n, i;
 282         struct daily_download_total **result;
 283
 284         n = json_object_get_fields_count(o);
 285
 286         result = malloc
 287                 (sizeof(struct daily_download_total *)*(n+1));
 288
 289         i = 0;
 290         json_object_object_foreach(o, key, val) {
 291                 result[i] = json_object_to_daily_download_total(key, val);
 292                 i++;
 293         }
 294
 295         result[n] = NULL;
 296
 297         return result;
 298 }
 299
 300 struct json_object *date_to_json(struct tm *tm)
 301 {
 302         json_object *json;
 303
 304         json = json_object_new_array();
 305         json_object_array_add(json, json_object_new_int(tm->tm_year+1900));
 306         json_object_array_add(json, json_object_new_int(tm->tm_mon+1));
 307         json_object_array_add(json, json_object_new_int(tm->tm_mday));
 308
 309         return json;
 310 }
 311
 312 json_object *ddts_to_json(struct daily_download_total **ddts)
 313 {
 314         json_object *json_ddt, *json_ddts;
 315         struct daily_download_total *ddt;
 316
 317         json_ddts = json_object_new_array();
 318
 319         while (ddts && *ddts) {
 320                 ddt = *ddts;
 321
 322                 json_ddt = json_object_new_object();
 323                 json_object_object_add(json_ddt,
 324                                        "value",
 325                                        json_object_new_int(ddt->count));
 326                 json_object_object_add(json_ddt,
 327                                        "time",
 328                                        date_to_json(&ddt->date));
 329
 330                 json_object_array_add(json_ddts, json_ddt);
 331
 332                 ddts++;
 333         }
 334
 335         return json_ddts;
 336 }