#include #include #include #include #include "global.h" #include "manhat-lib/shared_util.h" #include "manhat-lib/shared_cs_util.h" #include "manhat-lib/shared_news_util.h" #include "manhat-lib/shared_translate_url.h" #include "manhat-lib/shared_access.h" #include "manhat-lib/shared_system_data.h" #define NO_INDENT 0 #define INDENT 1 int global_indent = 0; int global_topic_count = -1; int global_msg_count = - 1; static void read_parameters (char *course, char *key, int *topic, char *student, char *realname, long *offset, int *grp) { char msg[80]; char *cptr; cs_get_required_parameter ("crs", course, MAX_PATH); /* shared_cs_util.c */ cs_get_required_parameter ("id", key, MAX_KEY); /* shared_cs_util.c */ cs_get_required_parameter ("student", student, MAX_USERNAME); /* shared_cs_util.c */ cs_get_required_parameter ("realname", realname, MAX_NAME); /* shared_cs_util.c */ /* convert underscores to spaces */ while ((cptr = strchr (realname, '_'))) *cptr = ' '; cs_get_required_parameter ("topic", msg, 79); /* shared_cs_util.c */ *topic = atoi (msg); cs_get_required_parameter ("loc", msg, 79); /* shared_cs_util.c */ *offset = atol (msg); cs_get_required_parameter ("grp", msg, 79); /* shared_cs_util.c */ *grp = atoi (msg); } static void set_command_data (const char *course, const char *key, int topic, const char *student_realname, const char *student, long offset, int can_write, const char *fromstring, int grp) { #define LONG_URL 512 char url[LONG_URL + 1]; /* set a url to be used for a 'back' button */ snprintf (url, LONG_URL + 1, "%s?crs=%s&id=%s&topic=%d&loc=%ld&grp=%d", "assign_fac_expand", course, key, topic, offset, grp); cs_set_value("back_url", url); /* set a url to be used for a 'main menu' button */ snprintf (url, LONG_URL + 1, "%s?crs=%s&id=%s", "main_menu", course, key); cs_set_value("main_url", url); cs_set_value("realname", student_realname); /** If we're not read-only, set a url to send a new memo to this *** student */ if(can_write) { snprintf (url, LONG_URL + 1, "%s?crs=%s&id=%s&topic=%d&to=%s&realname=%s&grp=%d&reply_to=%d&from=%s", "news_new_memo", course, key, topic, student, student_realname, grp, topic, fromstring); cs_set_value("newmemo_url", url); } #undef LONG_URL } static void set_message_data (MSG_TREE_NODE * msg, const char *course, const char *key, long offset, int topic, const char *student, const char *realname, const char *fromstring, int grp) { char timestring[MAX_TIMESTRING + 1]; char name[MAX_PATH + 1]; char url[MAX_PATH + 1]; char *new_str = 0; if(msg->data.info.reply_to == -1) /* if this is a topic */ { global_topic_count++; global_msg_count = 0; snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.is_topic", global_topic_count, global_msg_count); cs_set_int_value(name, 1); } else global_msg_count++; /*is this message unread? */ if(!msg->user_data.time_read ) { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.is_unread", global_topic_count, global_msg_count); cs_set_int_value(name, 1); } /* is this message flagged? */ if(msg->user_data.flagged) { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.is_flagged", global_topic_count, global_msg_count); cs_set_int_value(name, 1); } /* set news_flag url */ snprintf(url, MAX_PATH + 1, "%s?crs=%s&id=%s&grp=%d&msg_id=%d&from=%s", "news_flag", course, key, grp, msg->data.info.msg_id, fromstring); snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.flag_url", global_topic_count, global_msg_count); cs_set_value(name, url); /* does this message have attachments? */ if(msg->data.info.attachments ) { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.has_attachments", global_topic_count, global_msg_count); cs_set_int_value(name, 1); } /* do info */ snprintf (url, MAX_PATH + 1, "%s?crs=%s&id=%s&grp=%d&loc=%ld", "news_info", course, key, grp, msg->offset); snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.info_url", global_topic_count, global_msg_count); cs_set_value(name, url); /** AMP_SUB, et. al are #defined in shared_translate_url.h */ snprintf (url, MAX_PATH + 1, "%s?crs=%s&id=%s&loc=%ld&student=%s&grp=%d&from=%s", "assign_read", course, key, msg->offset, student, grp, fromstring); snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.subject_url", global_topic_count, global_msg_count); cs_set_value(name, url); if(!strlen(msg->data.info.subject)) { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.no_subject", global_topic_count, global_msg_count); cs_set_int_value(name, 1); } else { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.subject", global_topic_count, global_msg_count); /* next makes use of undocmented ClearSilver function */ if(cgi_html_escape_strfunc(msg->data.info.subject,&new_str) == STATUS_OK) { cs_set_value(name,new_str); if(new_str) free(new_str); } else cs_set_value(name,msg->data.info.subject); } /* do sender */ snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.sender", global_topic_count, global_msg_count); cs_set_value(name, msg->data.info.sender_realname); /* do time sent */ strftime (timestring, MAX_TIMESTRING, system_data_str("DOW_DATE_FORMAT"), localtime (&(msg->data.info.time_sent))); snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.sent_time", global_topic_count, global_msg_count); cs_set_value(name, timestring); /* do MSG ID, Re: */ snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.msg_id", global_topic_count, global_msg_count); cs_set_int_value(name, msg->data.info.msg_id); if(msg->data.info.reply_to != -1) { snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.add_re", global_topic_count, global_msg_count); cs_set_int_value(name, 1); snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.re_id", global_topic_count, global_msg_count); cs_set_int_value(name, msg->data.info.reply_to); } /* set indent level */ snprintf(name, MAX_PATH + 1, "topic.%d.msg.%d.indent", global_topic_count, global_msg_count); cs_set_int_value(name, global_indent); } static void set_subtree_data (MSG_TREE_NODE *root, int indent, const char *course, const char *key, long offset, int topic, const char *student, const char *realname, const char *fromstring, int grp) { if(!root) return; if(indent) global_indent++; set_message_data(root, course, key, offset, topic,student,realname, fromstring, grp); if(root->reply) set_subtree_data(root->reply,INDENT,course, key,offset,topic, student, realname, fromstring, grp); if(root->next && (root->next->data.info.reply_to != -1)) /* don't do 'next' branches if they lead to a topic */ set_subtree_data(root->next,NO_INDENT, course, key,offset,topic,student, realname, fromstring, grp); if(indent) global_indent--; } static void get_fromstring(char *fromstring, int maxlen, const char *course, const char *key, const char *student, const char *student_realname, long offset, int topic, int grp) { char fixed_realname[MAX_NAME + 1]; char *ptr; strncpy(fixed_realname,student_realname, MAX_NAME + 1); /* convert spaces to underscores */ while ((ptr = strchr (fixed_realname, ' '))) *ptr = '_'; snprintf (fromstring, maxlen, "%s%ccrs%c%s%cid%c%s%ctopic%c%d%cstudent%c%s%crealname%c%s%cloc%c%ld%cgrp%c%d", "assign_student_work", QMARK_SUB, EQUAL_SUB, course, AMP_SUB, EQUAL_SUB, key, AMP_SUB, EQUAL_SUB, topic, AMP_SUB, EQUAL_SUB, student, AMP_SUB, EQUAL_SUB, fixed_realname,AMP_SUB,EQUAL_SUB,offset, AMP_SUB, EQUAL_SUB, grp); } static void set_expanded_assignment_data (char *course, char *key, int topic, char *student, char *realname, CONFIG_STRUCT *conf, SESSION *user, long offset, int can_write, int grp) { MSG_TREE_NODE *msg_ptr; MSG_TREE_NODE *topic_ptr; int msg_count; time_t current_time; char fromstring[MAX_PATH + 1]; build_fac_assign_read_tree(user, offset, student, &msg_ptr, &topic_ptr, &msg_count, ¤t_time); /* shared_news_util.c */ if(!msg_ptr || !tree_head) cs_critical_error(ERR_CANT_FIND_THIS_OFFSET, ""); /* is_teacher_hidden() is in shared_news_util.c */ if(is_teacher_hidden (topic_ptr->data.status, topic_ptr->data.release_time, topic_ptr->data.unrelease_time, current_time)) { cs_set_int_value("teacher_hidden", 1); } if(BASIC_STATUS(topic_ptr->data.status) == READ_ONLY) { cs_set_int_value("read_only", 1); } get_fromstring(fromstring, MAX_PATH + 1,course, key, student, realname, offset, topic, grp); set_command_data (course, key, topic, realname, student, offset, can_write, fromstring, grp); set_subtree_data (tree_head, NO_INDENT,course,key,offset,topic,student,realname, fromstring, grp); } int main (void) { char course[MAX_PATH + 1]; /* from crs=? command line */ char key[MAX_KEY + 1]; /* from id=? command line */ int topic; /* from topic=? command line */ char student[MAX_USERNAME + 1]; /* from student =? command line */ char realname[MAX_NAME + 1]; /* from realname=? command line */ long offset; /* from loc = ? command line */ int can_write; int grp; SESSION user; CONFIG_STRUCT conf; cs_cgi_init(); /* shared_cs_util.c */ unsetenv ("CONTENT_TYPE"); /* Internet Explorer seems to need this */ read_parameters (course, key, &topic, student, realname,&offset, &grp); read_configuration_file (course, &conf); /* shared_util.c */ validate_key (key, &user, &conf); /* shared_util.c */ can_write = has_write_permission(&user, &conf); /* shared_access.c */ if (user.group != FACULTY) cs_critical_error (ERR_REQUEST_DENIED, ""); /* shared_cs_util.c */ set_discussion_names (conf.course_path, user.username, grp); /* shared_news_util.c */ set_expanded_assignment_data (course, key, topic, student, realname, &conf, &user ,offset, can_write, grp); cs_set_course_info(&conf); /* shared_cs_util.c */ cs_set_current_time(); /* shared_cs_util.c */ cs_cgi_display("assign_student_work", 1); /* shared_cs_util.c */ cs_cgi_destroy(); /* shared_cs_util.c */ return 0; }