Moved scripts to other repo, CI setup

music_graph/src/App.vue

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+<template>
+    <div id="app">
+        <router-view/>
+    </div>
+</template>
+
+<script>
+export default {
+    name: 'App'
+}
+</script>
+
+<style>
+    body {
+        padding: 0;
+        margin: 0;
+    }
+
+    #app {
+    }
+</style>

music_graph/src/components/ArtistInfo.vue

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+<template>
+    <el-card class="artist-info box-card" v-if="artist !== undefined">
+        <div slot="header">
+            <span>{{artist.name}}</span>
+        </div>
+        <div>
+            <ImageCarousel
+                v-bind:sources="artistInfo.covers"
+                interval="750" />
+        </div>
+    </el-card>
+</template>
+
+<script>
+import Vue from 'vue'
+import ImageCarousel from './ImageCarousel'
+
+let data = {
+    artistInfo: {
+        releases: [],
+        covers: []
+    }
+}
+
+function reloadInfo(artist) {
+    Vue.http.get('http://localhost:3030/artist/details/' + artist.mbid)
+        .then(response => {
+            response.json().then(info => {
+                info.covers = info.releases.map(mbid => 'http://localhost:3030/cover/' + mbid)
+
+                data.artistInfo = info
+            })
+        })
+}
+
+export default {
+    name: 'ArtistInfo',
+    components: {ImageCarousel},
+    props: ['artist'],
+    watch: {
+        artist: reloadInfo
+    },
+    data() {
+        return data
+    }
+}
+</script>
+
+<style scoped>
+    .artist-info {
+        margin: 1rem;
+        position: fixed;
+    }
+</style>

music_graph/src/components/HelloWorld.vue

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+<template>
+    <div>
+        <ArtistInfo v-bind:artist="hoverArtist"/>
+    </div>
+</template>
+
+<script>
+import * as d3 from 'd3'
+import ArtistInfo from './ArtistInfo'
+
+let data = {
+    hoverArtist: undefined
+}
+
+const nodeUtils = {
+    getNodeType: function (labels) {
+        if (labels.find(l => l === 'Tag')) {
+            return 'Tag'
+        } else if (labels.find(l => l === 'Group')) {
+            return 'Group'
+        } else if (labels.find(l => l === 'Artist')) {
+            return 'Artist'
+        }
+        return undefined
+    },
+
+    getRadius: function (node) {
+        if (expandedNodes.has(node.id)) {
+            return 40
+        }
+
+        if (node.type === 'Tag') {
+            return 10
+        }
+
+        return Math.max(Math.sqrt(node.listeners / 7000) * 1.4, 15)
+    },
+
+    getColor: function (node) {
+        if (expandedNodes.has(node.id)) {
+            return '#1cb3c8'
+        }
+        return null
+    }
+}
+
+let originArtist
+let originNode
+let expandedNodes = new Set()
+
+function MusicGraph() {
+    const width = window.innerWidth - 7
+    const height = window.innerHeight - 7
+
+    this.nodeById = new Map()
+    this.nodes = []
+    this.links = []
+    this._originSet = false
+
+    this.svg = d3.select('body')
+        .append('svg')
+        .attr('width', width)
+        .attr('height', height)
+
+    this.zoomed = () => {
+        this.container.attr('transform', d3.event.transform)
+    }
+
+    this.svg.append('rect')
+        .attr('width', width)
+        .attr('height', height)
+        .classed('pan-rect', true)
+        .style('fill', 'none')
+        .call(d3.zoom()
+            .scaleExtent([1 / 10, 5])
+            .on('zoom', this.zoomed))
+
+    this.container = this.svg.append('g').attr('id', 'container')
+
+    this.container.append('g')
+        .attr('id', 'links')
+    this.container.append('g')
+        .attr('id', 'nodes')
+    this.container.append('g')
+        .attr('id', 'labels')
+
+    this.dragStarted = (d) => {
+        if (!d3.event.active) {
+            this.simulation.alphaTarget(0.3).restart()
+        }
+        d.fx = d.x
+        d.fy = d.y
+    }
+
+    this.dragged = (d) => {
+        d.fx = d3.event.x
+        d.fy = d3.event.y
+    }
+
+    this.dragEnded = (d) => {
+        if (!d3.event.active) {
+            this.simulation.alphaTarget(0)
+        }
+
+        d.fx = null
+        d.fy = null
+    }
+
+    this.nodeHover = (d) => {
+        data.hoverArtist = d
+
+        let srcLinks = this.links.filter(link => link.source.id === d.id)
+        let targetLinks = this.links.filter(link => link.target.id === d.id)
+        data.hoverLinks = srcLinks.map(l => {
+            return {
+                match: (l.weight * 100).toFixed(2) + '%',
+                other: l.target
+            }
+        }).concat(targetLinks.map(l => {
+            return {
+                match: (l.weight * 100).toFixed(2) + '%',
+                other: l.source
+            }
+        }))
+        console.log(data.hoverLinks)
+
+        this.svg.classed('hover', true)
+
+        this.link.classed('selected', link =>
+            link.source.id === d.id || link.target.id === d.id)
+
+        this.node.classed('selected', n =>
+            n.sourceLinks.has(d.id) ||
+            n.targetLinks.has(d.id))
+
+        this.label.classed('selected', n =>
+            n.sourceLinks.has(d.id) ||
+            n.targetLinks.has(d.id) ||
+            n.id === d.id)
+
+        this.node.classed('hover', n => n.id === d.id)
+    }
+
+    this.nodeOut = () => {
+        this.svg.classed('hover', false)
+        this.label.classed('selected', false)
+        this.link.classed('selected', false)
+        this.node.classed('selected', false)
+        this.node.classed('hover', false)
+    }
+
+    this.nodeDbClick = (d) => {
+        if (expandedNodes.has(d.id)) {
+            return
+        }
+
+        expandedNodes.add(d.id)
+        expandArtist(d.mbid)
+    }
+
+    this.simulation = d3.forceSimulation()
+        .force('charge', d3.forceManyBody())
+        .force('collide', d3.forceCollide()
+            .radius(50)
+            .strength(1))
+        .force('center', d3.forceCenter(width / 2, height / 2))
+
+    this.simulation.stop()
+
+    this.simulation.on('tick', () => {
+        this.link
+            .attr('x1', d => d.source.x)
+            .attr('y1', d => d.source.y)
+            .attr('x2', d => d.target.x)
+            .attr('y2', d => d.target.y)
+        this.node
+            .attr('cx', d => d.x)
+            .attr('cy', d => d.y)
+        this.label
+            .attr('x', d => d.x)
+            .attr('y', d => d.y)
+    })
+
+    /**
+     * Add nodes to the graph
+     */
+    this.addNodes = function (newNodes, relations, originId) {
+        // Update node map, ignore existing nodes
+        let nodesToAdd = []
+        newNodes.forEach(d => {
+            if (this.nodeById.has(d.id)) {
+                return
+            }
+            this.nodeById.set(d.id, d)
+
+            if (this._originSet && originId) {
+                // Set new nodes initial position
+                let centerNode = this.nodeById.get(originId)
+                centerNode.fx = centerNode.x
+                centerNode.fy = centerNode.y
+                d.x = centerNode.x
+                d.y = centerNode.y
+                setTimeout(() => {
+                    centerNode.fx = null
+                    centerNode.fy = null
+                }, 600)
+            }
+
+            nodesToAdd.push(d)
+        })
+
+        // Convert {id, id} relation to {node, node}
+        let linksToAdd = relations.map(({weight, source, target}) => ({
+            source: this.nodeById.get(source),
+            target: this.nodeById.get(target),
+            weight: weight
+        }))
+
+        // Update source/targetLinks
+        for (const {source, target} of linksToAdd) {
+            source.sourceLinks.add(target.id)
+            target.targetLinks.add(source.id)
+        }
+
+        this.nodes.push(...nodesToAdd)
+        this.links.push(...linksToAdd)
+
+        if (!this._originSet) {
+            this._setOrigin()
+            this._originSet = true
+        }
+
+        this._update()
+    }
+
+    /**
+     * Remove nodes from the graph
+     */
+    this.removeNodes = function (idsToRemove) {
+        let idSetToRemove = new Set(idsToRemove)
+
+        idsToRemove.forEach(id => {
+            // Update targetLinks
+            Array.from(this.nodeById.get(id).sourceLinks)
+                .map(srcId => this.nodeById.get(srcId))
+                .forEach(target => {
+                    target.targetLinks.delete(id)
+                })
+
+            this.nodeById.delete(id)
+        })
+
+        // Remove links
+        this.links = this.links.filter(l =>
+            !idSetToRemove.has(l.target.id) &&
+            !idSetToRemove.has(l.source.id)
+        )
+
+        // Remove nodes
+        this.nodes = this.nodes.filter(d => !idSetToRemove.has(d.id))
+
+        this._update()
+    }
+
+    this._update = function () {
+        this.simulation.nodes(this.nodes)
+        this.simulation
+            .force('link', d3.forceLink(this.links)
+                .id(d => d.id)
+                .strength(l => l.weight)
+                .distance(d => Math.min(
+                    (1.2 / d.weight) * (94 * expandedNodes.size))
+                )
+            )
+        this.simulation
+            .restart()
+
+        // Add new links
+        this.link = this.container.select('#links')
+            .selectAll('.link')
+            .data(this.links)
+        let linkEnter = this.link
+            .enter()
+            .append('line')
+            .classed('link', true)
+        this.link = linkEnter.merge(this.link)
+
+        // Add new nodes
+        this.node = this.container.select('#nodes')
+            .selectAll('.node')
+            .attr('stroke', d => nodeUtils.getColor(d))
+            .data(this.nodes)
+        let nodeEnter = this.node
+            .enter()
+            .append('circle')
+            .classed('node', true)
+            .attr('r', 35)
+            .attr('stroke', d => nodeUtils.getColor(d))
+            .call(d3.drag()
+                .on('start', this.dragStarted)
+                .on('drag', this.dragged)
+                .on('end', this.dragEnded))
+            .on('mouseover', this.nodeHover)
+            .on('mouseout', this.nodeOut)
+            .on('dblclick', this.nodeDbClick)
+        this.node = nodeEnter.merge(this.node)
+
+        // Add new labels
+        this.label = this.container.select('#labels')
+            .selectAll('.label')
+            .data(this.nodes)
+        let labelEnter = this.label
+            .enter()
+            .append('text')
+            .text(d => d.name)
+            .classed('label', true)
+        this.label = labelEnter.merge(this.label)
+    }
+
+    this.setupKeyBindings = function () {
+        document.body.onkeydown = (e) => {
+            let isPanMode = this.svg.classed('pan-mode')
+
+            if (e.key === 'q') {
+                this.svg.classed('pan-mode', !isPanMode)
+            } else if (e.key === 'Escape') {
+                this.svg.classed('pan-mode', false)
+            }
+        }
+    }
+
+    this._setOrigin = function () {
+        // Set origin node in center
+        originNode = this.simulation.nodes().find(node => node.id === originArtist.id)
+        originNode.fx = width / 2
+        originNode.fy = height / 2
+
+        setTimeout(() => {
+            originNode.fx = null
+            originNode.fy = null
+        }, 500)
+
+        // Remember that we expanded origin node
+        expandedNodes.add(originNode.id)
+    }
+
+    this._update()
+    this.setupKeyBindings()
+}
+
+let mm = new MusicGraph()
+
+function expandArtist(mbid) {
+    d3.json('http://localhost:3030/artist/related/' + mbid)
+        .then((r) => {
+            originArtist = r.artists.find(a => a.mbid === mbid)
+
+            const nodes = r.artists.map((row) => {
+                return {
+                    id: row.id,
+                    mbid: row.mbid,
+                    name: row.name,
+                    listeners: row.listeners,
+                    type: nodeUtils.getNodeType(row.labels),
+                    sourceLinks: new Set(),
+                    targetLinks: new Set()
+                }
+            })
+
+            mm.addNodes(nodes, r.relations, originArtist.id)
+        })
+}
+
+expandArtist('66fc5bf8-daa4-4241-b378-9bc9077939d2')
+
+export default {
+    components: {ArtistInfo},
+    data() {
+        return data
+    }
+}
+</script>
+
+<style>
+    svg {
+        margin-top: 3px;
+        margin-left: 3px;
+
+        -webkit-touch-callout: none;
+        -webkit-user-select: none;
+        -khtml-user-select: none;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        user-select: none;
+    }
+
+    /* Pan mode */
+    svg.pan-mode .node {
+        pointer-events: none;
+    }
+
+    svg.pan-mode {
+        cursor: move;
+    }
+
+    svg.pan-mode .pan-rect {
+        pointer-events: all;
+    }
+
+    svg.pan-mode {
+        box-sizing: border-box;
+        border: 5px red solid;
+    }
+
+    /* Link */
+    svg .link.selected {
+        stroke-width: 2;
+        stroke-opacity: 1;
+    }
+
+    svg .link {
+        stroke: orange;
+        pointer-events: none;
+        stroke-opacity: 0.7;
+        stroke-width: 1;
+    }
+
+    svg.hover .link:not(.selected) {
+        stroke-opacity: 0.2;
+        stroke-width: 0.1;
+    }
+
+    /* Node */
+    svg .node.selected {
+        stroke: red;
+    }
+
+    svg .node.hover {
+        stroke: red;
+    }
+
+    svg.hover .node:not(.selected):not(.hover) {
+        display: none;
+    }
+
+    svg .node {
+        fill: transparent;
+    }
+
+    /* Label */
+    svg .label {
+        text-anchor: middle;
+        pointer-events: none;
+    }
+
+    svg.hover .label:not(.selected) {
+        display: none;
+    }
+
+    body {
+        background: #E7EDEB;
+    }
+</style>

music_graph/src/components/ImageCarousel.vue

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+<template>
+    <div>
+        <img
+            alt=""
+            width="96"
+            height="96"
+            v-show="currentSrc === url"
+            v-bind:src="url"
+            v-bind:key="url"
+            v-for="url in sources"
+        >
+    </div>
+</template>
+
+<script>
+let data = {
+    currentSrc: '',
+    index: 0
+}
+
+export default {
+    name: 'ImageCarousel',
+    props: ['sources', 'interval'],
+    data() {
+        return data
+    },
+    mounted() {
+        setInterval(() => {
+            this.tick()
+        }, Number(this.interval))
+    },
+    watch: {
+        sources: () => {
+            data.index = 0
+        }
+    },
+    methods: {
+        tick() {
+            if (data.index === this.sources.length - 1) {
+                data.index = 0
+            }
+
+            data.index += 1
+            data.currentSrc = this.sources[data.index]
+        }
+    }
+}
+</script>
+
+<style scoped>
+</style>

music_graph/src/main.js

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+import Vue from 'vue'
+import App from './App'
+import router from './router'
+
+import ElementUI from 'element-ui'
+import VueResource from 'vue-resource'
+import 'element-ui/lib/theme-chalk/index.css'
+
+Vue.use(ElementUI)
+Vue.use(VueResource)
+
+/* eslint-disable no-new */
+new Vue({
+    el: '#app',
+    router,
+    render: h => h(App)
+})
+
+Vue.config.productionTip = false

music_graph/src/router/index.js

@@ -0,0 +1,15 @@
+import Vue from 'vue'
+import Router from 'vue-router'
+import HelloWorld from '@/components/HelloWorld'
+
+Vue.use(Router)
+
+export default new Router({
+    routes: [
+        {
+            path: '/',
+            name: 'HelloWorld',
+            component: HelloWorld
+        }
+    ]
+})