From 2298922333b0f50003161e8e976907f0e45abc1e Mon Sep 17 00:00:00 2001
From: Sijmen <me@sijman.nl>
Date: Tue, 2 May 2023 00:35:31 +0200
Subject: [PATCH] Add drag-and-drop queue reordering

---
 src/main.rs                   | 17 ++++++++
 static/vendor/LICENSES        | 50 -----------------------
 static/vendor/LICENSES.md     | 77 +++++++++++++++++++++++++++++++++++
 static/vendor/Sortable.min.js |  2 +
 templates/index.html          |  3 ++
 templates/queue.html          | 17 ++++++++
 6 files changed, 116 insertions(+), 50 deletions(-)
 delete mode 100644 static/vendor/LICENSES
 create mode 100644 static/vendor/LICENSES.md
 create mode 100644 static/vendor/Sortable.min.js

diff --git a/src/main.rs b/src/main.rs
index 5ea418c..a4b9c72 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -123,6 +123,22 @@ async fn post_next(_req: tide::Request<()>) -> tide::Result {
     Ok("".into())
 }
 
+#[derive(Deserialize, Debug)]
+struct UpdateQueueBody {
+    from: u32,
+    to: u32,
+}
+
+async fn post_queue_move(mut req: tide::Request<()>) -> tide::Result {
+    let body: UpdateQueueBody = req.body_json().await?;
+    let mut mpd = mpd::connect()?;
+    mpd.move_range(
+        mpdrs::song::Range(Some(body.from), Some(body.from + 1)),
+        body.to as usize,
+    )?;
+    Ok("".into())
+}
+
 async fn get_art(req: tide::Request<()>) -> tide::Result {
     let query: IndexQuery = req.query()?;
     let resp = if let Ok(art) = mpd::connect()?.albumart(&query.path) {
@@ -172,6 +188,7 @@ async fn main() -> tide::Result<()> {
 
     app.at("/queue").post(post_queue);
     app.at("/queue").delete(delete_queue);
+    app.at("/queue/move").post(post_queue_move);
 
     app.at("/play").post(post_play);
     app.at("/pause").post(post_pause);
diff --git a/static/vendor/LICENSES b/static/vendor/LICENSES
deleted file mode 100644
index 3d2f9df..0000000
--- a/static/vendor/LICENSES
+++ /dev/null
@@ -1,50 +0,0 @@
-# htmx.min.js; htmx-sse.js
-
-https://github.com/bigskysoftware/htmx
-
-BSD 2-Clause "Simplified" License
-
-Copyright (c) 2020, Big Sky Software
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice, this
-   list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-# material-symbols-outlined
-
-https://github.com/google/material-design-icons
-
-Apache License Version 2.0
-
-Copyright [yyyy] [name of copyright owner]
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
diff --git a/static/vendor/LICENSES.md b/static/vendor/LICENSES.md
new file mode 100644
index 0000000..bfee483
--- /dev/null
+++ b/static/vendor/LICENSES.md
@@ -0,0 +1,77 @@
+# htmx.min.js; htmx-sse.js
+
+https://github.com/bigskysoftware/htmx
+
+> BSD 2-Clause "Simplified" License
+> 
+> Copyright (c) 2020, Big Sky Software
+> All rights reserved.
+> 
+> Redistribution and use in source and binary forms, with or without
+> modification, are permitted provided that the following conditions are met:
+> 
+> 1. Redistributions of source code must retain the above copyright notice, this
+>    list of conditions and the following disclaimer.
+> 
+> 2. Redistributions in binary form must reproduce the above copyright notice,
+>    this list of conditions and the following disclaimer in the documentation
+>    and/or other materials provided with the distribution.
+> 
+> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+> AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+> DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+> FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+> DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+> SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+> CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+> OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+> OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+# material-symbols-outlined.woff2
+
+https://github.com/google/material-design-icons
+
+> Apache License Version 2.0
+> 
+> Copyright [yyyy] [name of copyright owner]
+> 
+> Licensed under the Apache License, Version 2.0 (the "License");
+> you may not use this file except in compliance with the License.
+> You may obtain a copy of the License at
+> 
+>     http://www.apache.org/licenses/LICENSE-2.0
+> 
+> Unless required by applicable law or agreed to in writing, software
+> distributed under the License is distributed on an "AS IS" BASIS,
+> WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+> See the License for the specific language governing permissions and
+> limitations under the License.
+
+
+## Sortable.min.js
+
+https://github.com/SortableJS/Sortable
+
+> MIT License
+> 
+> Copyright (c) 2019 All contributors to Sortable
+> 
+> Permission is hereby granted, free of charge, to any person obtaining a copy
+> of this software and associated documentation files (the "Software"), to deal
+> in the Software without restriction, including without limitation the rights
+> to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+> copies of the Software, and to permit persons to whom the Software is
+> furnished to do so, subject to the following conditions:
+> 
+> The above copyright notice and this permission notice shall be included in all
+> copies or substantial portions of the Software.
+> 
+> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+> AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+> SOFTWARE.
\ No newline at end of file
diff --git a/static/vendor/Sortable.min.js b/static/vendor/Sortable.min.js
new file mode 100644
index 0000000..17bb16c
--- /dev/null
+++ b/static/vendor/Sortable.min.js
@@ -0,0 +1,2 @@
+/*! Sortable 1.15.0 - MIT | git://github.com/SortableJS/Sortable.git */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function e(e,t){var n,o=Object.keys(e);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(e),t&&(n=n.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),o.push.apply(o,n)),o}function M(o){for(var t=1;t<arguments.length;t++){var i=null!=arguments[t]?arguments[t]:{};t%2?e(Object(i),!0).forEach(function(t){var e,n;e=o,t=i[n=t],n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t}):Object.getOwnPropertyDescriptors?Object.defineProperties(o,Object.getOwnPropertyDescriptors(i)):e(Object(i)).forEach(function(t){Object.defineProperty(o,t,Object.getOwnPropertyDescriptor(i,t))})}return o}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n,o=arguments[e];for(n in o)Object.prototype.hasOwnProperty.call(o,n)&&(t[n]=o[n])}return t}).apply(this,arguments)}function i(t,e){if(null==t)return{};var n,o=function(t,e){if(null==t)return{};for(var n,o={},i=Object.keys(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||(o[n]=t[n]);return o}(t,e);if(Object.getOwnPropertySymbols)for(var i=Object.getOwnPropertySymbols(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(o[n]=t[n]);return o}function r(t){return function(t){if(Array.isArray(t))return l(t)}(t)||function(t){if("undefined"!=typeof Symbol&&null!=t[Symbol.iterator]||null!=t["@@iterator"])return Array.from(t)}(t)||function(t,e){if(t){if("string"==typeof t)return l(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Map"===(n="Object"===n&&t.constructor?t.constructor.name:n)||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?l(t,e):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function l(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,o=new Array(e);n<e;n++)o[n]=t[n];return o}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var y=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),w=t(/Edge/i),s=t(/firefox/i),u=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),n=t(/iP(ad|od|hone)/i),c=t(/chrome/i)&&t(/android/i),d={capture:!1,passive:!1};function h(t,e,n){t.addEventListener(e,n,!y&&d)}function f(t,e,n){t.removeEventListener(e,n,!y&&d)}function p(t,e){if(e&&(">"===e[0]&&(e=e.substring(1)),t))try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return}}function N(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"!==e[0]||t.parentNode===n)&&p(t,e)||o&&t===n)return t}while(t!==n&&(t=(i=t).host&&i!==document&&i.host.nodeType?i.host:i.parentNode))}var i;return null}var g,m=/\s+/g;function I(t,e,n){var o;t&&e&&(t.classList?t.classList[n?"add":"remove"](e):(o=(" "+t.className+" ").replace(m," ").replace(" "+e+" "," "),t.className=(o+(n?" 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T(t,e){z(t,f,M({evt:n,isOwner:u,axis:r?"vertical":"horizontal",revert:i,dragRect:o,targetRect:w,canSort:d,fromSortable:h,target:l,completed:O,onMove:function(t,e){return Ft($,a,q,o,t,k(t),n,e)},changed:A},e))}function x(){T("dragOverAnimationCapture"),f.captureAnimationState(),f!==h&&h.captureAnimationState()}function O(t){return T("dragOverCompleted",{insertion:t}),t&&(u?c._hideClone():c._showClone(f),f!==h&&(I(q,(lt||c).options.ghostClass,!1),I(q,e.ghostClass,!0)),lt!==f&&f!==Bt.active?lt=f:f===Bt.active&&lt&&(lt=null),h===f&&(f._ignoreWhileAnimating=l),f.animateAll(function(){T("dragOverAnimationComplete"),f._ignoreWhileAnimating=null}),f!==h&&(h.animateAll(),h._ignoreWhileAnimating=null)),(l===q&&!q.animated||l===a&&!l.animated)&&(gt=null),e.dragoverBubble||n.rootEl||l===document||(q.parentNode[j]._isOutsideThisEl(n.target),t||Xt(n)),!e.dragoverBubble&&n.stopPropagation&&n.stopPropagation(),p=!0}function 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e=this.el,n=this.options;ot=B(q),rt=B(q,n.draggable),z("drop",this,{evt:t}),V=q&&q.parentNode,ot=B(q),rt=B(q,n.draggable),Bt.eventCanceled||(Dt=St=yt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),Kt(this.cloneId),Kt(this._dragStartId),this.nativeDraggable&&(f(document,"drop",this),f(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&P(document.body,"user-select",""),P(q,"transform",""),t&&(pt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),Z&&Z.parentNode&&Z.parentNode.removeChild(Z),($===V||lt&&"clone"!==lt.lastPutMode)&&tt&&tt.parentNode&&tt.parentNode.removeChild(tt),q&&(this.nativeDraggable&&f(q,"dragend",this),jt(q),q.style["will-change"]="",pt&&!yt&&I(q,(lt||this).options.ghostClass,!1),I(q,this.options.chosenClass,!1),U({sortable:this,name:"unchoose",toEl:V,newIndex:null,newDraggableIndex:null,originalEvent:t}),$!==V?(0<=ot&&(U({rootEl:V,name:"add",toEl:V,fromEl:$,originalEvent:t}),U({sortable:this,name:"remove",toEl:V,originalEvent:t}),U({rootEl:V,name:"sort",toEl:V,fromEl:$,originalEvent:t}),U({sortable:this,name:"sort",toEl:V,originalEvent:t})),lt&&lt.save()):ot!==nt&&0<=ot&&(U({sortable:this,name:"update",toEl:V,originalEvent:t}),U({sortable:this,name:"sort",toEl:V,originalEvent:t})),Bt.active&&(null!=ot&&-1!==ot||(ot=nt,rt=it),U({sortable:this,name:"end",toEl:V,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){z("nulling",this),$=q=V=Z=Q=tt=J=et=st=ct=pt=ot=rt=nt=it=gt=mt=lt=at=Bt.dragged=Bt.ghost=Bt.clone=Bt.active=null,Tt.forEach(function(t){t.checked=!0}),Tt.length=ut=dt=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":q&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var t,e=[],n=this.el.children,o=0,i=n.length,r=this.options;o<i;o++)N(t=n[o],r.draggable,this.el,!1)&&e.push(t.getAttribute(r.dataIdAttr)||function(t){var e=t.tagName+t.className+t.src+t.href+t.textContent,n=e.length,o=0;for(;n--;)o+=e.charCodeAt(n);return o.toString(36)}(t));return e},sort:function(t,e){var n={},o=this.el;this.toArray().forEach(function(t,e){e=o.children[e];N(e,this.options.draggable,o,!1)&&(n[t]=e)},this),e&&this.captureAnimationState(),t.forEach(function(t){n[t]&&(o.removeChild(n[t]),o.appendChild(n[t]))}),e&&this.animateAll()},save:function(){var t=this.options.store;t&&t.set&&t.set(this)},closest:function(t,e){return N(t,e||this.options.draggable,this.el,!1)},option:function(t,e){var n=this.options;if(void 0===e)return n[t];var o=K.modifyOption(this,t,e);n[t]=void 0!==o?o:e,"group"===t&&Pt(n)},destroy:function(){z("destroy",this);var t=this.el;t[j]=null,f(t,"mousedown",this._onTapStart),f(t,"touchstart",this._onTapStart),f(t,"pointerdown",this._onTapStart),this.nativeDraggable&&(f(t,"dragover",this),f(t,"dragenter",this)),Array.prototype.forEach.call(t.querySelectorAll("[draggable]"),function(t){t.removeAttribute("draggable")}),this._onDrop(),this._disableDelayedDragEvents(),Et.splice(Et.indexOf(this.el),1),this.el=t=null},_hideClone:function(){et||(z("hideClone",this),Bt.eventCanceled||(P(tt,"display","none"),this.options.removeCloneOnHide&&tt.parentNode&&tt.parentNode.removeChild(tt),et=!0))},_showClone:function(t){"clone"===t.lastPutMode?et&&(z("showClone",this),Bt.eventCanceled||(q.parentNode!=$||this.options.group.revertClone?Q?$.insertBefore(tt,Q):$.appendChild(tt):$.insertBefore(tt,q),this.options.group.revertClone&&this.animate(q,tt),P(tt,"display",""),et=!1)):this._hideClone()}},xt&&h(document,"touchmove",function(t){(Bt.active||yt)&&t.cancelable&&t.preventDefault()}),Bt.utils={on:h,off:f,css:P,find:b,is:function(t,e){return!!N(t,e,t,!1)},extend:function(t,e){if(t&&e)for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n]);return t},throttle:S,closest:N,toggleClass:I,clone:_,index:B,nextTick:Lt,cancelNextTick:Kt,detectDirection:It,getChild:X},Bt.get=function(t){return t[j]},Bt.mount=function(){for(var t=arguments.length,e=new Array(t),n=0;n<t;n++)e[n]=arguments[n];(e=e[0].constructor===Array?e[0]:e).forEach(function(t){if(!t.prototype||!t.prototype.constructor)throw"Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(t));t.utils&&(Bt.utils=M(M({},Bt.utils),t.utils)),K.mount(t)})},Bt.create=function(t,e){return new Bt(t,e)};var Wt,zt,Gt,Ut,qt,Vt,Zt=[],$t=!(Bt.version="1.15.0");function Qt(){Zt.forEach(function(t){clearInterval(t.pid)}),Zt=[]}function Jt(){clearInterval(Vt)}var te,ee=S(function(n,t,e,o){if(t.scroll){var i,r=(n.touches?n.touches[0]:n).clientX,a=(n.touches?n.touches[0]:n).clientY,l=t.scrollSensitivity,s=t.scrollSpeed,c=O(),u=!1;zt!==e&&(zt=e,Qt(),Wt=t.scroll,i=t.scrollFn,!0===Wt&&(Wt=A(e,!0)));var d=0,h=Wt;do{var f=h,p=k(f),g=p.top,m=p.bottom,v=p.left,b=p.right,y=p.width,w=p.height,E=void 0,D=void 0,S=f.scrollWidth,_=f.scrollHeight,C=P(f),T=f.scrollLeft,p=f.scrollTop,D=f===c?(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(E=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=E&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),p=D&&(Math.abs(m-a)<=l&&p+w<_)-(Math.abs(g-a)<=l&&!!p);if(!Zt[d])for(var x=0;x<=d;x++)Zt[x]||(Zt[x]={});Zt[d].vx==T&&Zt[d].vy==p&&Zt[d].el===f||(Zt[d].el=f,Zt[d].vx=T,Zt[d].vy=p,clearInterval(Zt[d].pid),0==T&&0==p||(u=!0,Zt[d].pid=setInterval(function(){o&&0===this.layer&&Bt.active._onTouchMove(qt);var t=Zt[this.layer].vy?Zt[this.layer].vy*s:0,e=Zt[this.layer].vx?Zt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(Bt.dragged.parentNode[j],e,t,n,qt,Zt[this.layer].el)||F(Zt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=A(h,!1)));$t=u}},30),c=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,t=t.unhideGhostForTarget;e&&(i=n||i,a(),e=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,e=document.elementFromPoint(e.clientX,e.clientY),t(),i&&!i.el.contains(e)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n})))};function ne(){}function oe(){}ne.prototype={startIndex:null,dragStart:function(t){t=t.oldDraggableIndex;this.startIndex=t},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=X(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:c},a(ne,{pluginName:"revertOnSpill"}),oe.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:c},a(oe,{pluginName:"removeOnSpill"});var ie,re,ae,le,se,ce=[],ue=[],de=!1,he=!1,fe=!1;function pe(n,o){ue.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ge(){ce.forEach(function(t){t!==ae&&t.parentNode&&t.parentNode.removeChild(t)})}return Bt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){t=t.originalEvent;this.sortable.nativeDraggable?h(document,"dragover",this._handleAutoScroll):this.options.supportPointer?h(document,"pointermove",this._handleFallbackAutoScroll):t.touches?h(document,"touchmove",this._handleFallbackAutoScroll):h(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){t=t.originalEvent;this.options.dragOverBubble||t.rootEl||this._handleAutoScroll(t)},drop:function(){this.sortable.nativeDraggable?f(document,"dragover",this._handleAutoScroll):(f(document,"pointermove",this._handleFallbackAutoScroll),f(document,"touchmove",this._handleFallbackAutoScroll),f(document,"mousemove",this._handleFallbackAutoScroll)),Jt(),Qt(),clearTimeout(g),g=void 0},nulling:function(){qt=zt=Wt=$t=Vt=Gt=Ut=null,Zt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);qt=e,n||this.options.forceAutoScrollFallback||w||y||u?(ee(e,this.options,t,n),o=A(t,!0),!$t||Vt&&r===Gt&&a===Ut||(Vt&&Jt(),Vt=setInterval(function(){var t=A(document.elementFromPoint(r,a),!0);t!==o&&(o=t,Qt()),ee(e,i.options,t,n)},10),Gt=r,Ut=a)):this.options.bubbleScroll&&A(t,!0)!==O()?ee(e,this.options,A(t,!1),!1):Qt()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),Bt.mount(oe,ne),Bt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;te=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=te,te=!1!==o(n)?(I(n,i.swapClass,!0),n):null,t&&t!==te&&I(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;te&&I(te,l.swapClass,!1),te&&(l.swap||i&&i.options.swap)&&r!==te&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=te,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=B(e),r=B(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){te=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:te}}})}),Bt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";ce.length&&re===o?ce.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;ae=t},delayEnded:function(){this.isMultiDrag=~ce.indexOf(ae)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<ce.length;n++)ue.push(_(ce[n])),ue[n].sortableIndex=ce[n].sortableIndex,ue[n].draggable=!1,ue[n].style["will-change"]="",I(ue[n],this.options.selectedClass,!1),ce[n]===ae&&I(ue[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||ce.length&&re===e&&(pe(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(pe(!1,n),ue.forEach(function(t){P(t,"display","")}),e(),se=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(ue.forEach(function(t){P(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),se=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&re&&re.multiDrag._deselectMultiDrag(),ce.forEach(function(t){t.sortableIndex=B(t)}),ce=ce.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),fe=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(ce.forEach(function(t){t!==ae&&P(t,"position","absolute")}),e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&C(t,e)}),de=he=!0)),t.animateAll(function(){de=he=!1,n.options.animation&&ce.forEach(function(t){T(t)}),n.options.sort&&ge()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;he&&~ce.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<ce.length&&(ce.forEach(function(t){r.addAnimationState({target:t,rect:he?k(t):a}),T(t),t.fromRect=a,e.removeAnimationState(t)}),he=!1,n=!this.options.removeCloneOnHide,o=i,ce.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),de=!1,t.animation&&1<ce.length&&(he||!o&&!r.options.sort&&!l)&&(e=k(ae,!1,!0,!0),ce.forEach(function(t){t!==ae&&(C(t,e),a.appendChild(t))}),he=!0),o||(he||ge(),1<ce.length?(o=se,r._showClone(n),r.options.animation&&!se&&o&&ue.forEach(function(t){r.addAnimationState({target:t,rect:le}),t.fromRect=le,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;ce.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(le=a({},e),e=v(ae,!0),le.top-=e.f,le.left-=e.e)},dragOverAnimationComplete:function(){he&&(he=!1,ge())},drop:function(t){var e=t.originalEvent,n=t.rootEl,o=t.parentEl,i=t.sortable,r=t.dispatchSortableEvent,a=t.oldIndex,l=t.putSortable,s=l||this.sortable;if(e){var c,u,d,h=this.options,f=o.children;if(!fe)if(h.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),I(ae,h.selectedClass,!~ce.indexOf(ae)),~ce.indexOf(ae))ce.splice(ce.indexOf(ae),1),ie=null,W({sortable:i,rootEl:n,name:"deselect",targetEl:ae,originalEvent:e});else{if(ce.push(ae),W({sortable:i,rootEl:n,name:"select",targetEl:ae,originalEvent:e}),e.shiftKey&&ie&&i.el.contains(ie)){var p=B(ie),t=B(ae);if(~p&&~t&&p!==t)for(var g,m=p<t?(g=p,t):(g=t,p+1);g<m;g++)~ce.indexOf(f[g])||(I(f[g],h.selectedClass,!0),ce.push(f[g]),W({sortable:i,rootEl:n,name:"select",targetEl:f[g],originalEvent:e}))}else ie=ae;re=s}fe&&this.isMultiDrag&&(he=!1,(o[j].options.sort||o!==n)&&1<ce.length&&(c=k(ae),u=B(ae,":not(."+this.options.selectedClass+")"),!de&&h.animation&&(ae.thisAnimationDuration=null),s.captureAnimationState(),de||(h.animation&&(ae.fromRect=c,ce.forEach(function(t){var e;t.thisAnimationDuration=null,t!==ae&&(e=he?k(t):c,t.fromRect=e,s.addAnimationState({target:t,rect:e}))})),ge(),ce.forEach(function(t){f[u]?o.insertBefore(t,f[u]):o.appendChild(t),u++}),a===B(ae)&&(d=!1,ce.forEach(function(t){t.sortableIndex!==B(t)&&(d=!0)}),d&&r("update"))),ce.forEach(function(t){T(t)}),s.animateAll()),re=s),(n===o||l&&"clone"!==l.lastPutMode)&&ue.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)})}},nullingGlobal:function(){this.isMultiDrag=fe=!1,ue.length=0},destroyGlobal:function(){this._deselectMultiDrag(),f(document,"pointerup",this._deselectMultiDrag),f(document,"mouseup",this._deselectMultiDrag),f(document,"touchend",this._deselectMultiDrag),f(document,"keydown",this._checkKeyDown),f(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==fe&&fe||re!==this.sortable||t&&N(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;ce.length;){var e=ce[0];I(e,this.options.selectedClass,!1),ce.shift(),W({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[j];e&&e.options.multiDrag&&!~ce.indexOf(t)&&(re&&re!==e&&(re.multiDrag._deselectMultiDrag(),re=e),I(t,e.options.selectedClass,!0),ce.push(t))},deselect:function(t){var e=t.parentNode[j],n=ce.indexOf(t);e&&e.options.multiDrag&&~n&&(I(t,e.options.selectedClass,!1),ce.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return ce.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=he&&t!==ae?-1:he?B(t,":not(."+n.options.selectedClass+")"):B(t),i.push({multiDragElement:t,index:e})}),{items:r(ce),clones:[].concat(ue),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),Bt});
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
index 3276f54..b354d32 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -8,6 +8,9 @@
     <script src="/static/vendor/htmx.min.js"></script>
     <script src="/static/vendor/htmx-sse.js"></script>
 
+    <!-- Source: https://github.com/SortableJS/Sortable -->
+    <script src="/static/vendor/Sortable.min.js"></script>
+
     <link rel="stylesheet" href="/static/style.css">
     <link href="/static/favicon.png" rel="icon" type="image/png">
 
diff --git a/templates/queue.html b/templates/queue.html
index f06f1f6..bb38c5f 100644
--- a/templates/queue.html
+++ b/templates/queue.html
@@ -29,3 +29,20 @@
   </li>
   {% endfor %}
 </ul>
+
+<script>
+htmx.onLoad(() => {
+  const isReduced = window
+    .matchMedia("(prefers-reduced-motion: reduce)")
+    .matches;
+
+  new Sortable(document.querySelector(".queue"), {
+    animation: isReduced ? 0 : 100,
+    onEnd: (event) => fetch("/queue/move", {
+      method: "POST",
+      headers: {"content-type": "application/json"},
+      body: JSON.stringify({from: event.oldIndex, to: event.newIndex}),
+    }),
+  });
+});
+</script>
\ No newline at end of file