nci-edit-assignment-group.c

   1 /*
   2  * Copyright (c) 2016, 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 main(int argc, char **argv)
  32 {
  33         int ret = EINVAL;
  34         char *url_base = 0;
  35         char *auth_token = 0;
  36         char *course_id = 0;
  37         char *group_id = 0;
  38         char *name = 0;
  39         char *weight_arg = 0;
  40         double weight_d = 0;
  41         char *weight = 0;
  42         char *drop_lowest_arg = 0;
  43         long long drop_lowest_ll = 0;
  44         char *drop_lowest = 0;
  45         char *drop_highest_arg = 0;
  46         long long drop_highest_ll = 0;
  47         char *drop_highest = 0;
  48         size_t len = 0;
  49         char *built_uri = 0;
  50         struct curl_httppost *post = 0;
  51         int opt = 0;
  52
  53         setlocale(LC_ALL, "");
  54
  55         while ((opt = getopt(argc, argv, "g:c:n:w:d:D:")) != -1) {
  56                 switch (opt) {
  57                 case 'c':
  58                         course_id = optarg;
  59                         break;
  60                 case 'g':
  61                         group_id = optarg;
  62                         break;
  63                 case 'n':
  64                         name = optarg;
  65                         break;
  66                 case 'w':
  67                         weight_arg = optarg;
  68                         break;
  69                 case 'd':
  70                         drop_lowest_arg = optarg;
  71                         break;
  72                 case 'D':
  73                         drop_highest_arg = optarg;
  74                         break;
  75                 default:
  76                         break;
  77                 }
  78         }
  79
  80         if (!course_id) {
  81                 ret = EINVAL;
  82                 fprintf(stderr, "course-id is mandatory\n");
  83                 goto cleanup;
  84         }
  85
  86         if (!group_id) {
  87                 ret = EINVAL;
  88                 fprintf(stderr, "group-id is mandatory\n");
  89                 goto cleanup;
  90         }
  91
  92         if (weight_arg) {
  93                 weight_d = strtod(weight_arg, 0);
  94                 len = snprintf(0, 0, "%lf", weight_d);
  95
  96                 if (len + 1 < len) {
  97                         ret = errno = EOVERFLOW;
  98                         perror(L(""));
  99                         goto cleanup;
 100                 }
 101
 102                 if (!(weight = malloc(len + 1))) {
 103                         ret = errno;
 104                         perror(L("malloc"));
 105                         goto cleanup;
 106                 }
 107
 108                 sprintf(weight, "%lf", weight_d);
 109         }
 110
 111         if (drop_lowest_arg) {
 112                 drop_lowest_ll = strtoll(drop_lowest_arg, 0, 0);
 113                 len = snprintf(0, 0, "%lld", drop_lowest_ll);
 114
 115                 if (len + 1 < len) {
 116                         ret = errno = EOVERFLOW;
 117                         perror(L(""));
 118                         goto cleanup;
 119                 }
 120
 121                 if (!(drop_lowest = malloc(len + 1))) {
 122                         ret = errno;
 123                         perror(L("malloc"));
 124                         goto cleanup;
 125                 }
 126
 127                 sprintf(drop_lowest, "%lld", drop_lowest_ll);
 128         }
 129
 130         if (drop_highest_arg) {
 131                 drop_highest_ll = strtoll(drop_highest_arg, 0, 0);
 132                 len = snprintf(0, 0, "%lld", drop_highest_ll);
 133
 134                 if (len + 1 < len) {
 135                         ret = errno = EOVERFLOW;
 136                         perror(L(""));
 137                         goto cleanup;
 138                 }
 139
 140                 if (!(drop_highest = malloc(len + 1))) {
 141                         ret = errno;
 142                         perror(L("malloc"));
 143                         goto cleanup;
 144                 }
 145
 146                 sprintf(drop_highest, "%lld", drop_highest_ll);
 147         }
 148
 149         curl_global_init(CURL_GLOBAL_DEFAULT);
 150
 151         if (!(url_base = get_url_base())) {
 152                 ret = ENOENT;
 153
 154                 /* Error should have already been printed */
 155                 goto cleanup;
 156         }
 157
 158         if (!(auth_token = get_auth_token())) {
 159                 ret = ENOENT;
 160
 161                 /* Error should have already been printed */
 162                 goto cleanup;
 163         }
 164
 165         len = snprintf(0, 0, "%s/api/v1/courses/%s/assignment_groups/%s",
 166                        url_base, course_id, group_id);
 167
 168                 if (len + 1 < len) {
 169                         ret = errno = EOVERFLOW;
 170                         perror(L(""));
 171                         goto cleanup;
 172                 }
 173
 174         if (!(built_uri = malloc(len + 1))) {
 175                 ret = errno;
 176                 perror(L("malloc"));
 177                 goto cleanup;
 178         }
 179
 180         sprintf(built_uri, "%s/api/v1/courses/%s/assignment_groups/%s",
 181                 url_base, course_id, group_id);
 182
 183         if (!(post = make_agroup_post(name, weight, drop_lowest,
 184                                       drop_highest))) {
 185                 /* XXX: pass back proper error code from make_agroup_post() */
 186                 goto cleanup;
 187         }
 188
 189         if ((ret = send_and_id_scan(built_uri, auth_token, post, "PUT", 0))) {
 190                 goto cleanup;
 191         }
 192
 193         ret = 0;
 194 cleanup:
 195         curl_formfree(post);
 196         free(built_uri);
 197         free(drop_highest);
 198         free(drop_lowest);
 199         free(weight);
 200         free(url_base);
 201         free(auth_token);
 202         curl_global_cleanup();
 203
 204         return ret;
 205 }