Mercurial > sci
view scid/crud.c @ 27:dae2de19ca5d
misc: switch to JSON everywhere
author | David Demelier <markand@malikania.fr> |
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date | Wed, 03 Aug 2022 15:18:09 +0200 |
parents | |
children | 695637f1d8a7 |
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/* * crud.c -- convenient helpers for page-api-* * * Copyright (c) 2021 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 "log.h" #include "page.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("%s: invalid JSON input: %s", topic, err.text); else { if (saver(doc) < 0) log_warn("%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) { if (r->fieldsz < 1) page(r, KHTTP_400, KMIME_APP_JSON, NULL, NULL); else if (save(r, saver, topic) < 0) page(r, KHTTP_500, KMIME_APP_JSON, NULL, NULL); else { khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]); khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]); khttp_body(r); khttp_free(r); } } void crud_list(struct kreq *r, json_t *doc) { char *str; if (!doc) page(r, KHTTP_500, KMIME_APP_JSON, NULL, NULL); else { if (!(str = json_dumps(doc, JSON_COMPACT))) page(r, KHTTP_500, KMIME_APP_JSON, NULL, NULL); else { khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[KMIME_APP_JSON]); khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]); khttp_body(r); khttp_printf(r, "%s", str); khttp_free(r); json_decref(doc); } free(str); } }