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pasterd: refactor json utilities
author David Demelier <markand@malikania.fr>
date Thu, 16 Mar 2023 15:05:26 +0100
parents b12491ceabfd
children 9bfe5ce3cc45
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1 /*
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2 * page-index.c -- page /
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3 *
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4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20
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21 #include "database.h"
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22 #include "json-util.h"
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23 #include "page-index.h"
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24 #include "page.h"
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25 #include "paste.h"
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26 #include "util.h"
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27
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28 #include "html/index.h"
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30 static void
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31 get(struct kreq *r)
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32 {
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33 struct paste pastes[10] = {0};
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34 size_t pastesz = NELEM(pastes);
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36 if (!database_recents(pastes, &pastesz))
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37 page_status(r, KHTTP_500);
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38 else {
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39 page_index_render(r, pastes, pastesz);
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41 for (size_t i = 0; i < pastesz; ++i)
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42 paste_finish(&pastes[i]);
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43 }
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44 }
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46 static inline json_t *
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47 create_pastes(const struct paste *pastes, size_t pastesz)
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48 {
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49 json_t *array = json_array();
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50 const struct paste *paste;
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52 for (size_t i = 0; i < pastesz; ++i) {
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53 paste = &pastes[i];
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55 json_array_append_new(array, json_pack("{ss ss ss ss so so}",
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56 "id", paste->id,
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57 "author", paste->author,
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58 "title", paste->title,
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59 "date", ju_date(paste),
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60 "expiration", ju_expiration(paste)
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61 ));
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62 }
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64 return array;
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65 }
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67 static inline json_t *
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68 create_doc(const struct paste *pastes, size_t pastesz)
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69 {
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70 return json_pack("{ss so}",
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71 "pagetitle", "paster -- recent pastes",
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72 "pastes", create_pastes(pastes, pastesz)
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73 );
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74 }
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76 void
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77 page_index_render(struct kreq *req, const struct paste *pastes, size_t pastesz)
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78 {
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79 assert(req);
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80 assert(pastes);
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81
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82 page(req, KHTTP_200, html_index, create_doc(pastes, pastesz));
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83 }
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85 void
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86 page_index(struct kreq *req)
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87 {
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88 assert(req);
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89
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90 switch (req->method) {
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91 case KMETHOD_GET:
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92 get(req);
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93 break;
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94 default:
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95 page_status(req, KHTTP_400);
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96 break;
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97 }
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98 }