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@ -4,7 +4,7 @@ var nodes; |
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var edges; |
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const options = { |
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var options = { |
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nodes: { |
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borderWidth:4, |
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size:30, |
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@ -19,6 +19,13 @@ const options = { |
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} |
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}; |
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/** |
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* Checks if a user is a node in the graph |
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* |
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* @param userID |
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* @returns {boolean} |
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*/ |
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function alreadyInGraph(userID) |
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{ |
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for(var i = 0; i < nodes.length; i++) |
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@ -32,6 +39,11 @@ function alreadyInGraph(userID) |
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} |
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/** |
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* adds a person to the nodes list |
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* |
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* @param profileData |
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*/ |
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function addPersonToGraph(profileData) |
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{ |
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nodes.push( |
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@ -43,6 +55,15 @@ function addPersonToGraph(profileData) |
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}); |
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} |
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/** |
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* Adds the followers/following of a person |
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* to the graph |
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* |
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* @param username |
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* @param apiPath |
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* @returns {Promise<any>} |
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*/ |
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function addFriends(username, apiPath) |
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{ |
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return new Promise(function(resolve, reject) |
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@ -66,34 +87,75 @@ function addFriends(username, apiPath) |
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} |
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/** |
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* Greedy function which checks to see if a edge is in the graphs |
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* |
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* @param id1 |
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* @param id2 |
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* @returns {boolean} |
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*/ |
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function edgeInGraph(id1, id2) |
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{ |
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for(var i = 0;i < edges.length; i++) |
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{ |
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if(edges[i].from === id1 && edges[i].to === id2) |
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{ |
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return true; |
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} |
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if(edges[i].to === id1 && edges[i].from === id2) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Adds a connection to the graph |
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* |
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* @param person1 |
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* @param person2 |
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*/ |
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function addConnection(person1, person2) |
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{ |
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edges.push( |
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if(person1.id !== person2.id) |
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{ |
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if(alreadyInGraph(person2.id) && !edgeInGraph(person1.id, person2.id)) |
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{ |
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from: person1.id, |
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to: person2.id |
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}); |
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edges.push( |
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{ |
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from: person1.id, |
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to: person2.id |
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}); |
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} |
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} |
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} |
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function processUserConnections(userName) |
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/** |
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* Processes all the connections of a user and adds them to the graph |
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* |
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* @param user has .id and .name |
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* @returns {Promise<any>} |
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*/ |
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function processUserConnections(user) |
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{ |
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return new Promise(function(resolve, reject) |
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{ |
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queryAPIByUser(API_FOLLOWING, userName, |
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queryAPIByUser(API_FOLLOWING, user.name, |
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function(data) |
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{ |
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for(var i = 0; i < data.length; i++) |
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{ |
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addConnection(user, data[i]) |
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} |
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queryAPIByUser(API_FOLLOWERS, userName, function(data2) |
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queryAPIByUser(API_FOLLOWERS, user.name, function(data2) |
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{ |
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for(var i = 0; i < data2.length; i++) |
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{ |
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addConnection(user, data2[i]); |
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} |
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resolve(); |
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}, |
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@ -109,6 +171,13 @@ function processUserConnections(userName) |
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}); |
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} |
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/** |
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* Creates connections between all the nodes in |
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* the graph. |
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* |
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* @returns {Promise<any>} |
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*/ |
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function createConnections() |
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{ |
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return new Promise(function(resolve, reject) |
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@ -116,7 +185,7 @@ function createConnections() |
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var prom = []; |
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for(var i = 0; i < nodes.length; i++) |
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{ |
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prom.push(processUserConnections(nodes[i].name)); |
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prom.push(processUserConnections(nodes[i])); |
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} |
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Promise.all(prom).then(function() |
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@ -130,6 +199,12 @@ function createConnections() |
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} |
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/** |
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* Adds the base person to the graph. |
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* |
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* @param username |
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* @returns {Promise<any>} |
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*/ |
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function addSelfToGraph(username) |
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{ |
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return new Promise(function(resolve, reject) |
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@ -148,7 +223,23 @@ function addSelfToGraph(username) |
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} |
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function bringUpProfileView(id) |
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{ |
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for(var i = 0; i < nodes.length; i++) |
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{ |
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if(nodes[i].id === id) |
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{ |
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profileGen(nodes[i].name, "profileGen"); |
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} |
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} |
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} |
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/** |
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* Creates a graph |
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* @param username |
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* @param containerName |
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* @param graphsTitle |
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*/ |
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function createFriendsGraph(username, containerName, graphsTitle) |
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{ |
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nodes = []; |
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@ -168,6 +259,15 @@ function createFriendsGraph(username, containerName, graphsTitle) |
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edges: edges |
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}; |
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var network = new vis.Network(container, data, options); |
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network.on("click", function (params) { |
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params.event = "[original event]"; |
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document.getElementById('eventSpan').innerHTML = '<h2>Click event:</h2>' + JSON.stringify(params, null, 4); |
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if(Number(this.getNodeAt(params.pointer.DOM)) !== NaN) |
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{ |
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bringUpProfileView(Number(this.getNodeAt(params.pointer.DOM))); |
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} |
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}); |
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}); |
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}); |
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}) |
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Bryce Murphy
5 years ago
