nci-edit-assignment-group.c

   1 /*
   2  * Copyright (c) 2016-2019 S. Gilles <sgilles@math.umd.edu>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software
   5  * for any purpose with or without fee is hereby granted, provided
   6  * that the above copyright notice and this permission notice appear
   7  * in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
  13  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
  14  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  15  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  16  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include <errno.h>
  19 #include <locale.h>
  20 #include <stdint.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25 #include <curl/curl.h>
  26 #include <yajl_parse.h>
  27
  28 #include "macros.h"
  29 #include "util.h"
  30
  31 int
  32 main(int argc, char **argv)
  33 {
  34         int ret = EINVAL;
  35         char *url_base = 0;
  36         char *auth_token = 0;
  37         char *course_id = 0;
  38         char *group_id = 0;
  39         char *name = 0;
  40         char *weight_arg = 0;
  41         double weight_d = 0;
  42         char *weight = 0;
  43         char *drop_lowest_arg = 0;
  44         long long drop_lowest_ll = 0;
  45         char *drop_lowest = 0;
  46         char *drop_highest_arg = 0;
  47         long long drop_highest_ll = 0;
  48         char *drop_highest = 0;
  49         size_t len = 0;
  50         char *built_uri = 0;
  51         struct curl_httppost *post = 0;
  52         int opt = 0;
  53
  54         setlocale(LC_ALL, "");
  55
  56         while ((opt = getopt(argc, argv, "g:c:n:w:d:D:")) != -1) {
  57                 switch (opt) {
  58                 case 'c':
  59                         course_id = optarg;
  60                         break;
  61                 case 'g':
  62                         group_id = optarg;
  63                         break;
  64                 case 'n':
  65                         name = optarg;
  66                         break;
  67                 case 'w':
  68                         weight_arg = optarg;
  69                         break;
  70                 case 'd':
  71                         drop_lowest_arg = optarg;
  72                         break;
  73                 case 'D':
  74                         drop_highest_arg = optarg;
  75                         break;
  76                 default:
  77                         break;
  78                 }
  79         }
  80
  81         if (!course_id) {
  82                 ret = EINVAL;
  83                 fprintf(stderr, "course-id is mandatory\n");
  84                 goto cleanup;
  85         }
  86
  87         if (!group_id) {
  88                 ret = EINVAL;
  89                 fprintf(stderr, "group-id is mandatory\n");
  90                 goto cleanup;
  91         }
  92
  93         if (weight_arg) {
  94                 weight_d = strtod(weight_arg, 0);
  95                 len = snprintf(0, 0, "%lf", weight_d);
  96
  97                 if (len + 1 < len) {
  98                         ret = errno = EOVERFLOW;
  99                         perror(L(""));
 100                         goto cleanup;
 101                 }
 102
 103                 if (!(weight = malloc(len + 1))) {
 104                         ret = errno;
 105                         perror(L("malloc"));
 106                         goto cleanup;
 107                 }
 108
 109                 sprintf(weight, "%lf", weight_d);
 110         }
 111
 112         if (drop_lowest_arg) {
 113                 drop_lowest_ll = strtoll(drop_lowest_arg, 0, 0);
 114                 len = snprintf(0, 0, "%lld", drop_lowest_ll);
 115
 116                 if (len + 1 < len) {
 117                         ret = errno = EOVERFLOW;
 118                         perror(L(""));
 119                         goto cleanup;
 120                 }
 121
 122                 if (!(drop_lowest = malloc(len + 1))) {
 123                         ret = errno;
 124                         perror(L("malloc"));
 125                         goto cleanup;
 126                 }
 127
 128                 sprintf(drop_lowest, "%lld", drop_lowest_ll);
 129         }
 130
 131         if (drop_highest_arg) {
 132                 drop_highest_ll = strtoll(drop_highest_arg, 0, 0);
 133                 len = snprintf(0, 0, "%lld", drop_highest_ll);
 134
 135                 if (len + 1 < len) {
 136                         ret = errno = EOVERFLOW;
 137                         perror(L(""));
 138                         goto cleanup;
 139                 }
 140
 141                 if (!(drop_highest = malloc(len + 1))) {
 142                         ret = errno;
 143                         perror(L("malloc"));
 144                         goto cleanup;
 145                 }
 146
 147                 sprintf(drop_highest, "%lld", drop_highest_ll);
 148         }
 149
 150         curl_global_init(CURL_GLOBAL_DEFAULT);
 151
 152         if (!(url_base = get_url_base())) {
 153                 ret = ENOENT;
 154
 155                 /* Error should have already been printed */
 156                 goto cleanup;
 157         }
 158
 159         if (!(auth_token = get_auth_token())) {
 160                 ret = ENOENT;
 161
 162                 /* Error should have already been printed */
 163                 goto cleanup;
 164         }
 165
 166         len = snprintf(0, 0, "%s/api/v1/courses/%s/assignment_groups/%s",
 167                        url_base, course_id, group_id);
 168
 169         if (len + 1 < len) {
 170                 ret = errno = EOVERFLOW;
 171                 perror(L(""));
 172                 goto cleanup;
 173         }
 174
 175         if (!(built_uri = malloc(len + 1))) {
 176                 ret = errno;
 177                 perror(L("malloc"));
 178                 goto cleanup;
 179         }
 180
 181         sprintf(built_uri, "%s/api/v1/courses/%s/assignment_groups/%s",
 182                 url_base, course_id, group_id);
 183
 184         if (!(post = make_agroup_post(name, weight, drop_lowest,
 185                                       drop_highest))) {
 186                 /* XXX: pass back proper error code from make_agroup_post() */
 187                 goto cleanup;
 188         }
 189
 190         if ((ret = send_and_id_scan(built_uri, auth_token, post, "PUT", 0))) {
 191                 goto cleanup;
 192         }
 193
 194         ret = 0;
 195 cleanup:
 196         curl_formfree(post);
 197         free(built_uri);
 198         free(drop_highest);
 199         free(drop_lowest);
 200         free(weight);
 201         free(url_base);
 202         free(auth_token);
 203         curl_global_cleanup();
 204
 205         return ret;
 206 }