PlainSQLiteBlog/pages/post.php

<?php
    global $c;

    UserAuth::require("can_post");

    $varUser        = UserAuth::getUser();
    $strId          = Request::getArg(0);
    
    $strContent     = "";
    $strLocation    = Request::getParam("to") ?? "";
    $strVisibility  = "";
    $strVerb        = "Create";

    if (strlen($strId) > 0)
    {
        $strVerb = "Edit";
        $varRows = $c->query("SELECT * from posts where id = ?", $strId);

        if (count($varRows) !== 1)
        {
            BootstrapRender::message("Zero or more than one row returned", "danger");
            Respond::redirect("/post");
        }

        $varRow         = $varRows[0];
        $strContent     = $varRow["content"];
        $strLocation    = $varRow["location"];
        $strVisibility  = $varRow["visibility"];
    }


    if (Request::posts("location", "content", "visibility"))
    {
        $strLocation    = Request::getPosted("location");
        $strContent     = Request::getPosted("content");
        $strVisibility  = Request::getPosted("visibility");

        if ($strId == null || strlen($strId) < 1)
        {
            $c->query(
                "INSERT into posts (username, content, location, visibility)
                values (?, ?, ?, ?)",
                $varUser["username"],
                $strContent,
                $strLocation,
                $strVisibility);

            $strId = $c->query("get_last_post.sql")[0]["id"];
        }

        if (strlen($strContent) < 1)
        {
            $c->query("DELETE from posts where id = ?", $strId);
            BootstrapRender::message("Post deleted successfully.", "success");
            Respond::redirect("/post");
        }

        $c->query(
            "UPDATE posts
            set
                content     = ?,
                location    = ?,
                visibility  = ?,
                updated     = current_timestamp
            where
                id = ?",
            $strContent,
            $strLocation,
            $strVisibility,
            $strId);

        BootstrapRender::message("Post saved.", "success");
        Respond::redirect("/post/{$strId}");
    }
?>

<style>
    textarea {
        font-family: monospace;
    }
</style>

<form method="post">
    <div class="navbar navbar-expand bg-body-tertiary d-flex px-3 sticky-top">
        <div class="container justify-content-between">
            <div class="navbar-nav d-inline-flex align-items-center">
                <span class="navbar-brand"><?= $strVerb; ?> Post</span>
            </div>

            <div class="navbar-nav d-inline-flex">
            </div>
        </div>
    </div>

    <div class="container my-5">

        <div class="row">
            <div class="col-lg-3">
                <?php BootstrapRender::message(); ?>
            </div>

            <div class="col-lg-12">
                <div class="mb-3">
                    <label class="form-label">Content</label>
                    <textarea
                        class="form-control"
                        name="content"
                        placeholder="Enter markdown content here..."
                        oninput="fnResize(this);"
                        ><?= $strContent; ?></textarea>
                    <small class="text-muted">Test</small>
                </div>
            </div>

            <div class="col-lg-3">
                <div class="mb-3">
                    <label class="form-label">Location</label>
                    <input
                        type="text"
                        class="form-control"
                        name="location"
                        placeholder="/"
                        value="<?= $strLocation; ?>"
                        fv-regex="^\/"
                        fv-warning="Location must start with a forward slash" />
                    <small class="text-muted">e.g. /home or /info</small>
                </div>
            </div>

            <div class="col-lg-3">
                <div class="mb-3">
                    <label class="form-label">Visible To</label>
                    <input
                        type="text"
                        class="form-control"
                        name="visibility"
                        placeholder="everyone"
                        value="<?= $strVisibility; ?>"
                        fv-regex="^(|everyone|users|admins)$"
                        fv-warning="Visibility must be empty, everyone, users, or admins" />
                    <small class="text-muted">e.g. everyone, users, admins</small>
                </div>
            </div>

            <div class="col-lg-3">
                <div class="mb-3">
                    <label class="form-label">Actions</label>
                    <div>
                        <?php if ($strId == null || strlen($strId) < 1): ?>
                            <a class="btn btn-primary" onclick="fnSave();"><i class="fa fa-fw fa-paper-plane"></i> Submit</a>
                        <?php else: ?>
                            <a class="btn btn-success" onclick="fnSave();"><i class="fa fa-fw fa-save"></i> Save</a>
                        <?php endif; ?>
                    </div>
                </div>
            </div>
        </div>
    </div>
</form>

<script>
    $(function() {
        fnSave = function() {
            FormValidator.onError = function(str)
            {
                BootstrapRender.message(str, "danger");
            };

            FormValidator.validate(function() {
                $("form").first().submit();
            });
        };

        fnResize = function(x) {
            x.style.minHeight = "2in";
            x.style.height = "auto";
            x.style.height = x.scrollHeight + "px";
        };

        fnResize($("textarea").first()[0]);
    });
</script>