--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/page-new.c	Mon Dec 21 18:22:44 2020 +0100
@@ -0,0 +1,190 @@
+/*
+ * page-new.c -- page /new
+ *
+ * Copyright (c) 2020 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 <sys/types.h>
+#include <assert.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <kcgi.h>
+#include <kcgihtml.h>
+
+#include "database.h"
+#include "fragment-duration.h"
+#include "fragment-language.h"
+#include "paste.h"
+#include "page-new.h"
+#include "page.h"
+#include "util.h"
+
+struct template {
+	struct kreq *req;
+	const struct paste *paste;
+};
+
+static const char *keywords[] = {
+	"code",
+	"durations",
+	"languages",
+	"title"
+};
+
+static const struct {
+	const char *title;
+	long long int secs;
+} durations[] = {
+	{ "day",        PASTE_DURATION_DAY      },
+	{ "hour",       PASTE_DURATION_HOUR     },
+	{ "week",       PASTE_DURATION_WEEK     },
+	{ "month",      PASTE_DURATION_MONTH    },
+};
+
+static bool
+is_selected(const struct paste *paste, const char *language)
+{
+	return paste && strcmp(paste->language, language) == 0;
+}
+
+static int
+template(size_t keyword, void *arg)
+{
+	struct template *tp = arg;
+	struct khtmlreq html;
+
+	khtml_open(&html, tp->req, KHTML_PRETTY);
+
+	switch (keyword) {
+	case 0:
+		if (tp->paste)
+			khtml_puts(&html, tp->paste->code);
+		break;
+	case 1:
+		for (size_t i = 0; i < NELEM(durations); ++i)
+			fragment_duration(tp->req, durations[i].title);
+		break;
+	case 2:
+		for (size_t i = 0; i < languagesz; ++i)
+			fragment_language(tp->req, languages[i],
+			    is_selected(tp->paste, languages[i]));
+		break;
+	case 3:
+		if (tp->paste)
+			khtml_puts(&html, tp->paste->title);
+		break;
+	default:
+		break;
+	}
+
+	khtml_close(&html);
+
+	return 1;
+}
+
+static long long int
+duration(const char *val)
+{
+	for (size_t i = 0; i < NELEM(durations); ++i)
+		if (strcmp(val, durations[i].title) == 0)
+			return durations[i].secs;
+
+	/* Default to month. */
+	return PASTE_DURATION_MONTH;
+}
+
+static void
+get(struct kreq *r)
+{
+	page_new_render(r, NULL);
+}
+
+static void
+post(struct kreq *r)
+{
+	struct paste paste = {
+		.author         = estrdup("Anonymous"),
+		.title          = estrdup("Untitled"),
+		.language       = estrdup("nohighlight"),
+		.code           = estrdup(""),
+		.visible        = true
+	};
+
+	for (size_t i = 0; i < r->fieldsz; ++i) {
+		const char *key = r->fields[i].key;
+		const char *val = r->fields[i].val;
+
+		if (strcmp(key, "title") == 0)
+			replace(&paste.title, val);
+		else if (strcmp(key, "author") == 0)
+			replace(&paste.author, val);
+		else if (strcmp(key, "language") == 0)
+			replace(&paste.language, val);
+		else if (strcmp(key, "duration") == 0)
+			paste.duration = duration(val);
+		else if (strcmp(key, "code") == 0)
+			paste.code = estrdup(val);
+		else if (strcmp(key, "private") == 0)
+			paste.visible = strcmp(val, "on") != 0;
+	}
+
+	if (!database_insert(&paste))
+		page(r, NULL, KHTTP_500, "500.html");
+	else {
+		/* Redirect to paste details. */
+		khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_302]);
+		khttp_head(r, kresps[KRESP_LOCATION], "/paste/%s", paste.id);
+		khttp_body(r);
+		khttp_free(r);
+	}
+
+	paste_finish(&paste);
+}
+
+void
+page_new_render(struct kreq *r, const struct paste *paste)
+{
+	struct template tp = {
+		.req = r,
+		.paste = paste
+	};
+	struct ktemplate kt = {
+		.key = keywords,
+		.keysz = NELEM(keywords),
+		.cb = template,
+		.arg = &tp
+	};
+
+	page(r, &kt, KHTTP_200, "pages/new.html");
+}
+
+void
+page_new(struct kreq *r)
+{
+	assert(r);
+
+	switch (r->method) {
+	case KMETHOD_GET:
+		get(r);
+		break;
+	case KMETHOD_POST:
+		post(r);
+		break;
+	default:
+		break;
+	}
+}