nci-edit-assignment.c

   1 /*
   2  * Copyright (c) 2016-2018 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 *assignment_id = 0;
  39         char *name = 0;
  40         char *max_points_arg = 0;
  41         double max_points_d = 0;
  42         char *max_points = 0;
  43         char *due_date = 0;
  44         char *group_id = 0;
  45         size_t len = 0;
  46         char *built_uri = 0;
  47         struct curl_httppost *post = 0;
  48         int opt = 0;
  49
  50         setlocale(LC_ALL, "");
  51
  52         while ((opt = getopt(argc, argv, "a:c:n:m:d:g:")) != -1) {
  53                 switch (opt) {
  54                 case 'c':
  55                         course_id = optarg;
  56                         break;
  57                 case 'a':
  58                         assignment_id = optarg;
  59                         break;
  60                 case 'n':
  61                         name = optarg;
  62                         break;
  63                 case 'm':
  64                         max_points_arg = optarg;
  65                         break;
  66                 case 'd':
  67                         due_date = optarg;
  68                         break;
  69                 case 'g':
  70                         group_id = optarg;
  71                         break;
  72                 default:
  73                         break;
  74                 }
  75         }
  76
  77         if (!course_id) {
  78                 ret = EINVAL;
  79                 fprintf(stderr, "course-id is mandatory\n");
  80                 goto cleanup;
  81         }
  82
  83         if (!assignment_id) {
  84                 ret = EINVAL;
  85                 fprintf(stderr, "assignment-id is mandatory\n");
  86                 goto cleanup;
  87         }
  88
  89         if (max_points_arg) {
  90                 max_points_d = strtod(max_points_arg, 0);
  91                 len = snprintf(0, 0, "%lf", max_points_d);
  92
  93                 if (len + 1 < len) {
  94                         ret = errno = EOVERFLOW;
  95                         perror(L(""));
  96                         goto cleanup;
  97                 }
  98
  99                 if (!(max_points = malloc(len + 1))) {
 100                         ret = errno;
 101                         perror(L("malloc"));
 102                         goto cleanup;
 103                 }
 104
 105                 sprintf(max_points, "%lf", max_points_d);
 106         }
 107
 108         curl_global_init(CURL_GLOBAL_DEFAULT);
 109
 110         if (!(url_base = get_url_base())) {
 111                 ret = ENOENT;
 112
 113                 /* Error should have already been printed */
 114                 goto cleanup;
 115         }
 116
 117         if (!(auth_token = get_auth_token())) {
 118                 ret = ENOENT;
 119
 120                 /* Error should have already been printed */
 121                 goto cleanup;
 122         }
 123
 124         len = snprintf(0, 0, "%s/api/v1/courses/%s/assignments/%s", url_base,
 125                        course_id, assignment_id);
 126
 127         if (len + 1 < len) {
 128                 ret = errno = EOVERFLOW;
 129                 perror(L(""));
 130                 goto cleanup;
 131         }
 132
 133         if (!(built_uri = malloc(len + 1))) {
 134                 ret = errno;
 135                 perror(L("malloc"));
 136                 goto cleanup;
 137         }
 138
 139         sprintf(built_uri, "%s/api/v1/courses/%s/assignments/%s", url_base,
 140                 course_id, assignment_id);
 141
 142         if (!(post = make_assignment_post(name, max_points, due_date,
 143                                           group_id))) {
 144                 /* XXX: pass back proper error code from make_assignment_post() */
 145                 goto cleanup;
 146         }
 147
 148         if ((ret = send_and_id_scan(built_uri, auth_token, post, "PUT", 0))) {
 149                 goto cleanup;
 150         }
 151
 152         ret = 0;
 153 cleanup:
 154         curl_formfree(post);
 155         free(built_uri);
 156         free(max_points);
 157         free(url_base);
 158         free(auth_token);
 159         curl_global_cleanup();
 160
 161         return ret;
 162 }