qa

<?php

/**
 * The following functions are meant to be used directly in template files.
 * They always echo.
 */

/* = General Template Tags
-------------------------------------------------------------- */

function the_qa_menu() {
    $menu = array(
        array(
            'title' => __( 'Questions', QA_TEXTDOMAIN ),
            'type' => 'archive',
            'current' => !is_qa_page( 'unanswered' ) && !is_qa_page( 'ask' ) && !is_qa_page( 'edit' )
        ),
        array(
            'title' => __( 'Unanswered', QA_TEXTDOMAIN ),
            'type' => 'unanswered',
            'current' => is_qa_page( 'unanswered' )
        ),
        $menu[] = array(
            'title' => __( 'Ask a Question', QA_TEXTDOMAIN ),
            'type' => 'ask',
            'current' => is_qa_page( 'ask' )
        )
    );

    echo "<div id='qa-menu'>";

    echo "<ul>";
    foreach ( $menu as $item ) {
        extract( $item );

        $url = qa_get_url( $type );

        $id = $current ? 'qa-current-url' : '';

        echo _qa_html( 'li', array( 'id' => $id ),
            _qa_html( 'a', array( 'href' => $url ),
                $title
            )
        );
    }
    echo "</ul>";

    the_qa_search_form();
    echo "</div>";
}

function the_qa_error_notice() {
    if ( !isset( $_GET['qa_error'] ) )
        return;
?>
    <div id="qa-error-notice">
        <?php _e( 'An error has occured while processing your submission.', QA_TEXTDOMAIN ); ?>
    </div>
<?php
}

function the_qa_search_form() {
?>
<form method="get" action="<?php echo qa_get_url('archive'); ?>">
    <input type="text" name="s" value="<?php the_search_query(); ?>" />
    <button><?php _e( 'Search', QA_TEXTDOMAIN ); ?></button>
</form>
<?php
}

function the_qa_pagination( $query = null ) {
    if ( is_null( $query ) )
        $query = $GLOBALS['wp_query'];

    if ( $query->max_num_pages <= 1 )
        return;

    $current_page = max( 1, $query->get( 'paged' ) );
    $total_pages = $query->max_num_pages;

    $padding = 2;
    $range_start = max( 1, $current_page - $padding );
    $range_finish = min( $total_pages, $current_page + $padding );

    echo '<div class="qa-pagination">';

    if ( $current_page > 1 )
        _qa_single_page_link( $query, $current_page - 1, __( 'prev', QA_TEXTDOMAIN ), 'prev' );

    if ( $range_start > 1 )
        _qa_single_page_link( $query, 1 );

    if ( $range_start > $padding )
        echo '<span class="dots">...</span>';

    foreach ( range( $range_start, $range_finish ) as $num ) {
        if ( $num == $current_page )
            echo _qa_html( 'span', array( 'class' => 'current' ), number_format_i18n( $num ) );
        else
            _qa_single_page_link( $query, $num );
    }

    if ( $range_finish + $padding <= $total_pages )
        echo '<span class="dots">...</span>';

    if ( $range_finish < $total_pages )
        _qa_single_page_link( $query, $total_pages );

    if ( $current_page < $total_pages )
        _qa_single_page_link( $query, $current_page + 1, __( 'next', QA_TEXTDOMAIN ), 'next' );

    echo '</div>';
}

function _qa_single_page_link( $query, $num, $title = '', $class = '' ) {
    if ( !$title )
        $title = number_format_i18n( $num );

    $args = array( 'href' => get_pagenum_link( $num ) );

    if ( $class )
        $args['class'] = $class;

    echo _qa_html( 'a', $args, $title );
}

function the_qa_time( $id ) {
    $post = get_post( $id );

    $t_time = get_the_time( __( 'Y/m/d g:i:s A' ) );
    $m_time = $post->post_date;
    $time = get_post_time( 'G', true, $post );

    $time_diff = time() - $time;

    if ( $time_diff > 0 && $time_diff < 24*60*60 )
        $h_time = sprintf( __( '%s ago', QA_TEXTDOMAIN ), human_time_diff( $time ) );
    else
        $h_time = mysql2date( get_option( 'date_format' ), $m_time );

    echo '<span class="qa-timediff">' . $h_time . '</span>';
}

function the_qa_author_box( $id ) {
    $user_id = get_post_field( 'post_author', $id );
?>
<div class="qa-user-box">
    <?php echo get_avatar( $user_id, 32 ); ?>
    <div class="qa-user-details">
        <?php the_qa_user_link( $user_id ); ?>
        <?php the_qa_user_rep( $user_id ); ?>
    </div>
</div>
<?php
}

function the_qa_action_links( $id ) {
    $links = array();

    $links['single'] = __( 'link', QA_TEXTDOMAIN );

    if ( current_user_can( 'edit_post', $id ) )
        $links['edit'] = __( 'edit', QA_TEXTDOMAIN );

    if ( current_user_can( 'delete_post', $id ) )
        $links['delete'] = __( 'delete', QA_TEXTDOMAIN );

    foreach ( $links as $type => $title )
        $links[ $type ] = _qa_html( 'a', array( 'href' => qa_get_url( $type, $id ) ), $title );

    echo '<div id="qa-action-links">';
    echo implode( ' | ', $links );
    echo '</div>';
}

function the_qa_user_link( $user_id ) {
    $author_name = get_the_author_meta( 'display_name', $user_id );
    $author_url = qa_get_url( 'user', $user_id );

    echo "<a class='qa-user-link' href='$author_url'>$author_name</a>";
}

function the_qa_user_rep( $user_id ) {
?>
    <div class="qa-user-rep"><?php echo number_format_i18n( qa_get_user_rep( $user_id ) ); ?></div>
<?php
}

/* = Question Template Tags
-------------------------------------------------------------- */

function the_question_link( $question_id = 0 ) {
    if ( !$question_id )
        $question_id = get_the_ID();

    echo _qa_html( 'a', array( 'class' => 'question-link', 'href' => qa_get_url( 'single', $question_id ) ), get_the_title( $question_id ) );
}

function the_question_score( $question_id = 0 ) {
    if ( !$question_id )
        $question_id = get_the_ID();

    list( $up, $down ) = qa_get_votes( $question_id );

    $score = $up - $down;

    echo "<div class='question-score'>";
    echo    "<div class='mini-count'>" . number_format_i18n( $score ) . "</div>";
    echo    "<div>" . _n( 'vote', 'votes', $score, QA_TEXTDOMAIN ) . "</div>";
    echo "</div>";
}

function the_question_voting( $question_id = 0 ) {
    global $_qa_core;

    if ( !$question_id )
        $question_id = get_the_ID();

    list( $up, $down, $current ) = qa_get_votes( $question_id );

    $buttons = array(
        'up' => __( 'This question is useful and clear (click again to undo)', QA_TEXTDOMAIN ),
        'down' => __( 'This question is unclear or not useful (click again to undo)', QA_TEXTDOMAIN )
    );

    foreach ( $buttons as $type => $text ) {
        $buttons[ $type ] = $GLOBALS['_qa_votes']->get_link( $question_id, $type, $current, $text );
    }

?>
<div class="qa-voting-box">
    <?php echo $buttons['up']; ?>
    <span title="<?php _e( 'Score', QA_TEXTDOMAIN ); ?>"><?php echo number_format_i18n( $up - $down ); ?></span>
    <?php echo $buttons['down']; ?>
</div>
<?php
}

function the_question_subscription() {
    echo $GLOBALS['_qa_subscriptions']->get_link(
        get_queried_object_id(),
        __( 'Click here to be notified of followup answers via e-mail', QA_TEXTDOMAIN ),
        __( 'Stop notifying me of followup answers via e-mail', QA_TEXTDOMAIN )
    );
}

function the_answer_voting( $answer_id ) {
    list( $up, $down, $current ) = qa_get_votes( $answer_id );

    $buttons = array(
        'up' => __( 'This answer is useful (click again to undo)', QA_TEXTDOMAIN ),
        'down' => __( 'This answer is not useful (click again to undo)', QA_TEXTDOMAIN )
    );

    foreach ( $buttons as $type => $text ) {
        $buttons[ $type ] = $GLOBALS['_qa_votes']->get_link( $answer_id, $type, $current, $text );
    }

?>
<div class="qa-voting-box">
    <?php echo $buttons['up']; ?>
    <span title="<?php _e( 'Score', QA_TEXTDOMAIN ); ?>"><?php echo number_format_i18n( $up - $down ); ?></span>
    <?php echo $buttons['down']; ?>

    <?php the_answer_accepted( $answer_id ); ?>
</div>
<?php
}

function the_answer_accepted( $answer_id ) {
    $question_id = get_post_field( 'post_parent', $answer_id );

    $user_can_accept = get_post_field( 'post_author', $question_id ) == get_current_user_id();

    $is_accepted = get_post_meta( $question_id, '_accepted_answer', true ) == $answer_id;

    if ( $user_can_accept ) {
        $data = array(
            'action' => 'qa_accept',
            'answer_id' => $answer_id,
            'accept' => ( $is_accepted ? 'off' : 'on' )
        );
?>
<form method="post" action="">
    <?php wp_nonce_field( 'qa_accept' ); ?>

    <?php foreach ( $data as $key => $value ) {
        echo _qa_html( 'input', array( 'type' => 'hidden', 'name' => $key, 'value' => $value ) );
    } ?>

    <?php echo _qa_html( 'input', array(
        'type' => 'submit',
        'title' => __( 'Accept answer (click again to undo)', QA_TEXTDOMAIN ),
        'class' => 'vote-accepted-' . ( $is_accepted ? 'on' : 'off' )
    ) ); ?>
</form>
<?php
    }
    elseif ( $is_accepted ) {
        echo _qa_html( 'span', array(
            'title' => __( 'Accepted answer', QA_TEXTDOMAIN ),
            'class' => 'vote-accepted-on'
        ), __( 'accepted', QA_TEXTDOMAIN ) );
    }
}

function the_question_status( $question_id = 0 ) {
    if ( !$question_id )
        $question_id = get_the_ID();

    $count = get_answer_count( $question_id );

    if ( get_post_meta( $question_id, '_accepted_answer', true ) )
        $status = 'answered-accepted';
    elseif ( $count > 0 )
        $status = 'answered';
    else
        $status = 'unanswered';

    echo "<div class='question-status $status'>";
    echo    "<div class='mini-count'>" . number_format_i18n( $count ) . "</div>";
    echo    "<div>" . _n( 'answer', 'answers', $count, QA_TEXTDOMAIN ) . "</div>";
    echo "</div>";
}

function the_question_tags( $before = '', $sep = ', ', $after = '' ) {
    the_terms( 0, 'question_tag', $before, $sep, $after );
}

function the_question_category( $before = '', $sep = ', ', $after = '' ) {
    the_terms( 0, 'question_category', $before, $sep, $after );
}

function the_question_form() {
    global $wp_query;

    if ( is_qa_page( 'edit' ) ) {
        $question = $wp_query->posts[0];

        if ( !current_user_can( 'edit_question', $question->ID ) )
            return;

        $question->tags = wp_get_object_terms( $question->ID, 'question_tag', array( 'fields' => 'names' ) );

        $cats = wp_get_object_terms( $question->ID, 'question_category', array( 'fields' => 'ids' ) );
        $question->cat = empty( $cats ) ? false : reset( $cats );
    } else {
        $question = (object) array(
            'ID' => '',
            'post_content' => '',
            'post_title' => '',
            'tags' => array(),
            'cat' => false
        );
    }

?>
<form id="question-form" method="post" action="<?php echo qa_get_url( 'archive' ); ?>">
    <?php wp_nonce_field( 'qa_edit' ); ?>

    <input type="hidden" name="qa_action" value="edit_question" />
    <input type="hidden" name="question_id" value="<?php echo esc_attr( $question->ID ); ?>" />

    <table>
        <tr>
            <td id="question-title-label">
                <label for="question-title"><?php _e('Title:', QA_TEXTDOMAIN); ?></label>
            </td>
            <td id="question-title-td">
                <input type="text" id="question-title" name="question_title" value="<?php echo esc_attr( $question->post_title ); ?>" />
            </td>
        </tr>
    </table>

    <textarea name="question_content"><?php echo esc_textarea( $question->post_content ); ?></textarea>
<!-- I need to add custom fields here -->
    <table id="question-taxonomies">
        <tr>
            <td id="question-category-td">
            <?php wp_dropdown_categories( array(
                'taxonomy' => 'question_category',
                'selected' => $question->cat,
                'hide_empty' => false,
                'hierarchical' => true,
                'name' => 'question_cat',
                'class' => '',
                'show_option_none' => __( 'Select category...', QA_TEXTDOMAIN )
            ) ); ?>
            </td>
            <td id="question-tags-label">
                <label for="question-tags"><?php _e('Tags:', QA_TEXTDOMAIN); ?></label>
            </td>
            <td id="question-tags-td">
                <input type="text" id="question-tags" name="question_tags" value="<?php echo implode( ', ', $question->tags ); ?>" />
            </td>
        </tr>
    </table>

    <?php the_qa_submit_button(); ?>
</form>
<?php
}

/* = Answer Template Tags
-------------------------------------------------------------- */

function the_answer_link( $answer_id ) {
    $question_id = get_post_field( 'post_parent', $answer_id );

    echo _qa_html( 'a', array( 'class' => 'answer-link', 'href' => qa_get_url( 'single', $answer_id ) ), get_the_title( $question_id ) );
}

function the_answer_count( $question_id = 0 ) {
    $count = get_answer_count( $question_id ? $question_id : get_the_ID() );

    printf( _n( '1 Answer', '%d Answers', $count, QA_TEXTDOMAIN ), number_format_i18n( $count ) );
}

function the_answer_list() {
    $question_id = get_the_ID();

#   if ( !current_user_can( 'read_answers', $question_id ) )
#       return;

    $accepted_answer = get_post_meta( $question_id, '_accepted_answer', true );

    $answers = new WP_Query( array(
        'post_type' => 'answer',
        'post_parent' => $question_id,
        'post__not_in' => array( $accepted_answer ),
        'orderby' => 'qa_score',
        'posts_per_page' => QA_ANSWERS_PER_PAGE,
        'paged' => get_query_var( 'paged' )
    ) );

    if ( $accepted_answer && !get_query_var( 'paged' ) )
        array_unshift( $answers->posts, get_post( $accepted_answer ) );

    the_qa_pagination( $answers );

    foreach ( $answers->posts as $answer ) {
        setup_postdata( $answer );
?>
    <div id="answer-<?php echo $answer->ID; ?>" class="answer">
        <?php the_answer_voting( $answer->ID ); ?>
        <div class="answer-body">
            <?php echo get_the_content(); ?>
            <?php the_qa_author_box( $answer->ID ); ?>
            <?php the_qa_action_links( $answer->ID ); ?>
        </div>
    </div>
<?php
    }

    the_qa_pagination( $answers );

    wp_reset_postdata();
}

function the_answer_form() {
    global $wp_query;

    if ( is_qa_page( 'edit' ) ) {
        $answer = $wp_query->posts[0];

        if ( !current_user_can( 'edit_post', $answer->ID ) )
            return;
    } else {
        $answer = (object) array(
            'ID' => '',
            'post_parent' => get_the_ID(),
            'post_content' => ''
        );
    }

?>
<form id="answer-form" method="post" action="<?php echo qa_get_url( 'archive' ); ?>">
    <?php wp_nonce_field( 'qa_answer' ); ?>

    <input type="hidden" name="qa_action" value="edit_answer" />
    <input type="hidden" name="question_id" value="<?php echo esc_attr( $answer->post_parent ); ?>" />
    <input type="hidden" name="answer_id" value="<?php echo esc_attr( $answer->ID ); ?>" />

    <p><textarea name="answer"><?php echo esc_textarea( $answer->post_content ); ?></textarea></p>

    <?php the_qa_submit_button(); ?>
</form>
<?php
}

function the_qa_submit_button() {
    if ( is_user_logged_in() ) {
        $button = __( 'Submit', QA_TEXTDOMAIN );
    } elseif ( get_option( 'users_can_register' ) ) {
        $button = __( 'Register/Login and Submit', QA_TEXTDOMAIN );
    } else {
        $button = __( 'Login and Submit', QA_TEXTDOMAIN );
    }
?>
    <input class="qa-edit-submit" type="submit" value="<?php echo $button; ?>" />
<?php
}