Mercurial > sci
view scid/crud.c @ 85:cf49ab595e2e default tip @
sciworkerd: avoid spawning several tasks
author | David Demelier <markand@malikania.fr> |
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date | Thu, 09 Mar 2023 10:43:48 +0100 |
parents | 71cd8447e3a4 |
children |
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/* * crud.c -- convenient helpers for page-api-* * * Copyright (c) 2021-2023 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <assert.h> #include "crud.h" #include "log.h" #include "pageutil.h" static int save(struct kreq *r, int (*saver)(json_t *), const char *topic) { json_t *doc; json_error_t err; int ret = -1; if (!(doc = json_loads(r->fields[0].val, 0, &err))) log_warn("crud: %s: invalid JSON input: %s", topic, err.text); else { if (saver(doc) < 0) log_warn("crud: %s: database insertion failed", topic); else ret = 0; json_decref(doc); } return ret; } void crud_insert(struct kreq *r, int (*saver)(json_t *), const char *topic) { assert(r); assert(saver); assert(topic); if (r->fieldsz < 1) pageutil_json(r, KHTTP_400, NULL); else if (save(r, saver, topic) < 0) pageutil_json(r, KHTTP_500, NULL); else /* TODO: Maybe we should send the updated model. */ pageutil_json(r, KHTTP_200, NULL); } void crud_list(struct kreq *r, json_t *doc) { assert(r); if (!doc) pageutil_json(r, KHTTP_500, NULL); else pageutil_json(r, KHTTP_200, doc); }