From 9c0d84d2adedd9a6bd56ace543e0fe18a8af688a Mon Sep 17 00:00:00 2001
From: jcorporation <mail@jcgames.de>
Date: Tue, 27 Nov 2018 13:05:51 +0000
Subject: [PATCH] Feat: interface for advanced search

---
 htdocs/css/mympd.css |   4 +
 htdocs/index.html    |  31 +++++---
 htdocs/js/mympd.js   | 173 +++++++++++++++++++++++++++++++++++++++++--
 src/mpd_client.c     |  15 +++-
 src/mpd_client.h     |   1 +
 5 files changed, 204 insertions(+), 20 deletions(-)

diff --git a/htdocs/css/mympd.css b/htdocs/css/mympd.css
index 7adb189..7609311 100644
--- a/htdocs/css/mympd.css
+++ b/htdocs/css/mympd.css
@@ -321,3 +321,7 @@ div.key {
   heigth: 20px;
   text-align: center;
 }
+
+ol#searchCrumb {
+ padding: .5rem;
+}
\ No newline at end of file
diff --git a/htdocs/index.html b/htdocs/index.html
index 7dde786..fc506b8 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -142,7 +142,7 @@
               </div>
             </div>
           </div>
-          <form id="searchqueue">
+          <form id="searchqueue" class="flex-grow-1">
             <div class="input-group mr-2">
               <input type="text" class="form-control" placeholder="Search Queue" id="searchqueuestr"/>
               <div class="input-group-append">
@@ -164,9 +164,9 @@
               </div>            
             <button data-href='{"cmd": "gotoPage", "options": ["next"]}' id="QueueCurrentPaginationTopNext" title="Next Page" type="button" class="btn btn-secondary input-group-append">&raquo;</button>
           </div>
-          <div class="btn-group mr-2 featTags">
+          <div class="btn-group featTags">
             <button id="QueueCurrentColsBtn" class="btn btn-secondary dropdown-toggle material-icons" type="button" data-toggle="dropdown">settings</button>
-            <div class="dropdown-menu bg-dark px-2" id="QueueCurrentColsDropdown"><form></form>
+            <div class="dropdown-menu bg-dark px-2 dropdown-menu-right" id="QueueCurrentColsDropdown"><form></form>
               <button data-href='{"cmd": "saveCols", "options": ["QueueCurrent"]}' class="btn btn-success btn-block btn-sm mt-2">Apply</button>
             </div>          
           </div>
@@ -517,17 +517,26 @@
       </div>
       <div class="card-body">
         <div class="btn-toolbar card-toolbar" id="SearchButtons">
-          <form id="search">
+          <form id="search" class="flex-grow-1">
             <div class="input-group mr-2">
-              <input type="text" class="form-control" placeholder="Search" id="searchstr"/>
-              <div class="input-group-append">
+              <div class="input-group-prepend">
                 <button title="Select tags to search" class="btn btn-secondary dropdown-toggle" type="button" data-toggle="dropdown">
                   <span class="material-icons">search</span>
                   <span id="searchtagsdesc">Any Tag</span>
                 </button>
-                <div class="dropdown-menu bg-dark dropdown-menu-right px-2" id="searchtags">
+                <div class="dropdown-menu bg-dark px-2" id="searchtags">
                 </div>
               </div>
+              <div class="input-group-prepend featAdvsearch">
+                <select class="form-control" id="searchMatch">
+                  <option value="contains">contains</option>
+                  <option value="==">==</option>
+                  <option value="=~">=~</option>
+                  <option value="!=">!=</option>
+                  <option value="!~">!~</option>
+                </select>
+              </div>
+              <input type="text" class="form-control" placeholder="Search" id="searchstr"/>
             </div>
           </form>
           <div class="input-group mr-2">
@@ -550,15 +559,17 @@
               </div>            
             <button data-href='{"cmd": "gotoPage", "options": ["next"]}' id="SearchPaginationTopNext" title="Next Page" type="button" class="btn btn-secondary input-group-append">&raquo;</button>
           </div>
-          <div class="btn-group mr-2 featTags">
+          <div class="btn-group featTags">
             <button id="SearchColsBtn" class="btn btn-secondary dropdown-toggle material-icons" type="button" data-toggle="dropdown">settings</button>
-            <div class="dropdown-menu bg-dark px-2" id="SearchColsDropdown"><form></form>
+            <div class="dropdown-menu bg-dark px-2 dropdown-menu-right" id="SearchColsDropdown"><form></form>
               <button data-href='{"cmd": "saveCols", "options": ["Search"]}' class="btn btn-success btn-block btn-sm mt-2">Apply</button>
             </div>          
           </div>
         </div>
+        <ol class="FeatAdvsearch breadcrumb" id="searchCrumb"></ol>
+
         <div class="table-responsive-md">
-          <table id="SearchList" class="table table-hover table-sm">
+          <table id="SearchList" class="table table-hover table-sm" data-sort="">
             <thead>
               <tr>
                 <th></th>
diff --git a/htdocs/js/mympd.js b/htdocs/js/mympd.js
index f74d029..7799bbb 100644
--- a/htdocs/js/mympd.js
+++ b/htdocs/js/mympd.js
@@ -276,8 +276,30 @@ function appRoute() {
     else if (app.current.app == 'Search') {
         var searchstrEl = document.getElementById('searchstr');
         searchstrEl.focus();
-        if (searchstrEl.value == '' && app.current.search != '')
-            searchstrEl.value = app.current.search;
+        if (settings.featAdvsearch) {
+            var crumbs = '';
+            var elements = app.current.search.substring(1, app.current.search.length - 1).split(' AND ');
+            for (var i = 0; i < elements.length - 1 ; i++) {
+                var value = elements[i].substring(1, elements[i].length - 1);
+                crumbs += '<button data-filter="' + encodeURI(value) + '" class="btn btn-light mr-2">' + value + '<span class="ml-2 badge badge-secondary">&times</span></button>';
+            }
+            document.getElementById('searchCrumb').innerHTML = crumbs;
+            if (searchstrEl.value == '' && elements.length >= 1) {
+                var lastEl = elements[elements.length - 1].substring(1,  elements[elements.length - 1].length - 1);
+                var lastElValue = lastEl.substring(lastEl.indexOf('\'') + 1, lastEl.length - 1);
+                if (searchstrEl.value != lastElValue)
+                    document.getElementById('searchCrumb').innerHTML += '<button data-filter="' + encodeURI(lastEl) +'" class="btn btn-light mr-2">' + lastEl + '<span href="#" class="ml-2 badge badge-secondary">&times;</span></button>';
+                var match = lastEl.substring(lastEl.indexOf(' ') + 1);
+                match = match.substring(0, match.indexOf(' '));
+                if (match == '')
+                    match = 'contains';
+                document.getElementById('searchMatch').value = match;
+            }
+        }
+        else {
+            if (searchstrEl.value == '' && app.current.search != '')
+                searchstrEl.value = app.current.search;
+        }
         if (app.last.app != app.current.app) {
             if (app.current.search != '') {
                 var colspan = settings['cols' + app.current.app].length;
@@ -289,12 +311,33 @@ function appRoute() {
         }
 
         if (app.current.search.length >= 2) {
-            sendAPI({"cmd": "MPD_API_DATABASE_SEARCH", "data": { "plist": "", "offset": app.current.page, "filter": app.current.filter, "searchstr": app.current.search}}, parseSearch);
+            if (settings.featAdvsearch) {
+                var sort = document.getElementById('SearchList').getAttribute('data-sort');
+                var sortdesc = false;
+                if (sort == '') {
+                    if (settings.tags.includes('Title'))
+                        sort = 'Title';
+                    else
+                        sort = 'Filename';
+                    document.getElementById('SearchList').setAttribute('data-sort', sort);
+                }
+                else {
+                    if (sort.indexOf('-') == 0) {
+                        sortdesc = true;
+                        sort = sort.substring(1);
+                    }
+                }
+                sendAPI({"cmd": "MPD_API_DATABASE_SEARCH_ADV", "data": { "plist": "", "offset": app.current.page, "sort": sort, "sortdesc": sortdesc, "expression": app.current.search}}, parseSearch);
+            }
+            else {
+                sendAPI({"cmd": "MPD_API_DATABASE_SEARCH", "data": { "plist": "", "offset": app.current.page, "filter": app.current.filter, "searchstr": app.current.search}}, parseSearch);
+            }
         } else {
             document.getElementById('SearchList').getElementsByTagName('tbody')[0].innerHTML = '';
             document.getElementById('searchAddAllSongs').setAttribute('disabled', 'disabled');
             document.getElementById('searchAddAllSongsBtn').setAttribute('disabled', 'disabled');
             document.getElementById('panel-heading-search').innerText = '';
+            document.getElementById('cardFooterSearch').innerText = '';
             document.getElementById('SearchList').classList.remove('opacity05');
             setPagination(0);
         }
@@ -608,8 +651,81 @@ function appInit() {
     document.getElementById('searchstr').addEventListener('keyup', function(event) {
         if (event.key == 'Escape')
             this.blur();
+        else if (event.key == 'Enter' && settings.featAdvsearch) {
+            if (this.value != '') {
+                var match = document.getElementById('searchMatch');
+                var li = document.createElement('button');
+                li.classList.add('btn', 'btn-light', 'mr-2');
+                li.setAttribute('data-filter', encodeURI(app.current.filter + ' ' + match.options[match.selectedIndex].value +' \'' + this.value + '\''));
+                li.innerHTML = app.current.filter + ' ' + match.options[match.selectedIndex].value + ' \'' + this.value + '\'<span class="ml-2 badge badge-secondary">&times;</span>';
+                this.value = '';
+                document.getElementById('searchCrumb').appendChild(li);
+            }
+            else
+                search(this.value);
+        }
         else
-            appGoto('Search', undefined, undefined, '0/' + app.current.filter + '/' + this.value);
+            search(this.value);
+    }, false);
+
+    document.getElementById('searchCrumb').addEventListener('click', function(event) {
+        event.preventDefault();
+        event.stopPropagation();
+        if (event.target.nodeName == 'SPAN') {
+            event.target.parentNode.remove();
+            search('');
+        }
+        else if (event.target.nodeName == 'BUTTON') {
+            var value = decodeURI(event.target.getAttribute('data-filter'));
+            document.getElementById('searchstr').value = value.substring(value.indexOf('\'') + 1, value.length - 1);
+            var filter = value.substring(0, value.indexOf(' '));
+            selectTag('searchtags', 'searchtagsdesc', filter);
+            var match = value.substring(value.indexOf(' ') + 1);
+            match = match.substring(0, match.indexOf(' '));
+            document.getElementById('searchMatch').value = match;
+            event.target.remove();
+            search(document.getElementById('searchstr').value);
+        }
+    }, false);
+
+    document.getElementById('searchMatch').addEventListener('change', function(event) {
+        search(document.getElementById('searchstr').value);
+    }, false);
+    
+    document.getElementById('SearchList').getElementsByTagName('tr')[0].addEventListener('click', function(event) {
+        if (settings.featAdvsearch) {
+            if (event.target.nodeName == 'TH') {
+                var col = event.target.getAttribute('data-col');
+                if (col == 'Duration')
+                    return;
+                var sortcol = document.getElementById('SearchList').getAttribute('data-sort');
+                var sortdesc = true;
+                
+                if (sortcol == col || sortcol == '-' + col) {
+                    if (sortcol.indexOf('-') == 0) {
+                        sortdesc = true;
+                        sortcol = sortcol.substring(1);
+                    }
+                    else
+                        sortdesc = false;
+                }
+                if (sortdesc == false) {
+                    sortcol = '-' + col;
+                    sortdesc = true;
+                }
+                else {
+                    sortdesc = false;
+                    sortcol = col;
+                }
+                
+                var s = document.getElementById('SearchList').getElementsByClassName('sort-dir');
+                for (var i = 0; i < s.length; i++)
+                    s[i].remove();
+                document.getElementById('SearchList').setAttribute('data-sort', sortcol);
+                event.target.innerHTML = col + '<span class="sort-dir material-icons pull-right">' + (sortdesc == true ? 'arrow_drop_up' : 'arrow_drop_down') + '</span>';
+                appRoute();
+            }
+        }
     }, false);
 
     document.getElementById('BrowseDatabaseByTagDropdown').addEventListener('click', function(event) {
@@ -634,8 +750,8 @@ function appInit() {
     window.addEventListener('focus', function() {
         sendAPI({"cmd": "MPD_API_PLAYER_STATE"}, parseState);
     }, false);
-    
-    
+
+
     document.addEventListener('keydown', function(event) {
         if (event.target.tagName == 'INPUT' || event.target.tagName == 'SELECT' ||
             event.ctrlKey || event.altKey)
@@ -712,6 +828,28 @@ function parseCmd(event, href) {
     }
 }
 
+function search(x) {
+    if (settings.featAdvsearch) {
+        var expression = '(';
+        var crumbs = document.getElementById('searchCrumb').children;
+        for (var i = 0; i < crumbs.length; i++) {
+            expression += '(' + decodeURI(crumbs[i].getAttribute('data-filter')) + ')';
+            if (x != '') expression += ' AND ';
+        }
+        if (x != '') {
+            var match = document.getElementById('searchMatch');
+            expression += '(' + app.current.filter + ' ' + match.options[match.selectedIndex].value + ' \'' + x +'\'))';
+        }
+        else
+            expression += ')';
+        if (expression.length <= 2)
+            expression = '';
+        appGoto('Search', undefined, undefined, '0/' + app.current.filter + '/' + encodeURI(expression));
+    }
+    else
+        appGoto('Search', undefined, undefined, '0/' + app.current.filter + '/' + x);
+}
+
 function dragAndDropTable(table) {
     var tableBody=document.getElementById(table).getElementsByTagName('tbody')[0];
     tableBody.addEventListener('dragstart', function(event) {
@@ -1059,7 +1197,7 @@ function parseSettings(obj) {
     
     toggleBtn('btnnotifyPage', settings.notificationPage);
 
-    var features = ["featStickers", "featSmartpls", "featPlaylists", "featTags", "featLocalplayer", "featSyscmds", "featCoverimage"];
+    var features = ["featStickers", "featSmartpls", "featPlaylists", "featTags", "featLocalplayer", "featSyscmds", "featCoverimage", "featAdvsearch"];
     
     for (var j = 0; j < features.length; j++) {
         var Els = document.getElementsByClassName(features[j]);
@@ -1221,6 +1359,14 @@ function setCols(table, className) {
     }
     document.getElementById(table + 'ColsDropdown').firstChild.innerHTML = tagChks;
     
+    var sort = document.getElementById('SearchList').getAttribute('data-sort');
+    if (sort == '') {
+        if (settings.featTags)
+            sort = 'Title';
+        else
+            sort = 'Filename';
+    }
+    
     if (table != 'Playback') {
         var heading = '';
         for (var i = 0; i < settings['cols' + table].length; i++) {
@@ -1228,9 +1374,20 @@ function setCols(table, className) {
             heading += '<th draggable="true" data-col="' + h  + '">';
             if (h == 'Track' || h == 'Pos')
                 h = '#';
-            heading += h + '</th>';
+            heading += h;
+
+            if (table == 'Search' && h == sort ) {
+                var sortdesc = false;
+                if (sort.indexOf('-') == 0) {
+                    sortdesc = true;
+                    sort = sort.substring(1);
+                }
+                heading += '<span class="sort-dir material-icons pull-right">' + (sortdesc == true ? 'arrow_drop_up' : 'arrow_drop_down') + '</span>';
+            }
+            heading += '</th>';
         }
         heading += '<th></th>';
+        
         if (className == undefined) 
             document.getElementById(table + 'List').getElementsByTagName('tr')[0].innerHTML = heading;
         else {
diff --git a/src/mpd_client.c b/src/mpd_client.c
index a1b6d5a..59724a6 100644
--- a/src/mpd_client.c
+++ b/src/mpd_client.c
@@ -56,6 +56,7 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
     unsigned int uint_buf1, uint_buf2, uint_rc;
     int je, int_buf1, int_rc; 
     float float_buf;
+    bool bool_buf;
     char *p_charbuf1, *p_charbuf2, *p_charbuf3, *p_charbuf4;
     char p_char[4];
     enum mpd_cmd_ids cmd_id;
@@ -594,6 +595,16 @@ void callback_mympd(struct mg_connection *nc, const struct mg_str msg) {
                 free(p_charbuf2);
             }
             break;
+        case MPD_API_DATABASE_SEARCH_ADV:
+            je = json_scanf(msg.p, msg.len, "{data: {expression:%Q, sort:%Q, sortdesc:%B, plist:%Q, offset:%u}}", 
+                &p_charbuf1, &p_charbuf2, &bool_buf, &p_charbuf3, &uint_buf1);
+            if (je == 5) {
+                n = mympd_search_adv(mpd.buf, p_charbuf1, p_charbuf2, bool_buf, NULL, p_charbuf3, uint_buf1);
+                free(p_charbuf1);
+                free(p_charbuf2);
+                free(p_charbuf3);
+            }
+            break;
         case MPD_API_QUEUE_SHUFFLE:
             mpd_run_shuffle(mpd.conn);
             n = snprintf(mpd.buf, MAX_SIZE, "{\"type\": \"result\", \"data\": \"ok\"}");
@@ -2202,12 +2213,12 @@ int mympd_search_adv(char *buffer, char *expression, char *sort, bool sortdesc,
     if (mpd_search_add_expression(mpd.conn, expression) == false)
         RETURN_ERROR_AND_RECOVER("mpd_search_add_expression");
     
-    if (sort != NULL && strcmp(plist, "") == 0) {
+    if (sort != NULL && strcmp(sort, "") != 0 && strcmp(plist, "") == 0) {
         if (mpd_search_add_sort_name(mpd.conn, sort, sortdesc) == false)
             RETURN_ERROR_AND_RECOVER("mpd_search_add_sort_name");
     }
     
-    if (grouptag != NULL && strcmp(plist, "") == 0) {
+    if (grouptag != NULL && strcmp(grouptag, "") != 0 && strcmp(plist, "") == 0) {
         if (mpd_search_add_group_tag(mpd.conn, mpd_tag_name_parse(grouptag)) == false)
             RETURN_ERROR_AND_RECOVER("mpd_search_add_group_tag");
     }
diff --git a/src/mpd_client.h b/src/mpd_client.h
index 40cc9a4..3f521c4 100644
--- a/src/mpd_client.h
+++ b/src/mpd_client.h
@@ -98,6 +98,7 @@
     X(MPD_API_SMARTPLS_UPDATE_ALL) \
     X(MPD_API_SMARTPLS_SAVE) \
     X(MPD_API_SMARTPLS_GET) \
+    X(MPD_API_DATABASE_SEARCH_ADV) \
     X(MPD_API_DATABASE_SEARCH) \
     X(MPD_API_DATABASE_UPDATE) \
     X(MPD_API_DATABASE_RESCAN) \