sockets work for /claim and /claim/claim_id

This commit is contained in:
bill bittner 2017-05-26 00:34:25 -07:00
parent fec251902e
commit 654c95e7ed
4 changed files with 84 additions and 106 deletions

View file

@ -37,7 +37,30 @@ function orderTopClaims(claimsListArray){
return claimsListArray; return claimsListArray;
} }
function getClaimWithUri(uri, resolve, reject){
axios.post('http://localhost:5279/lbryapi', {
method: "get",
params: { uri: uri }
}
).then(function (getUriResponse) {
console.log(">> 'get claim' success...");
console.log(">> response data:", getUriResponse.data);
console.log(">> dl path =", getUriResponse.data.result.download_path)
// resolve the promise with the download path for the claim we got
/* note: do not resolve until the download is actually complete */
resolve(getUriResponse.data.result.download_path);
}).catch(function(getUriError){
console.log(">> 'get' error:", getUriError.response.data);
// reject the promise with an error message
reject({
msg: "An error occurred while fetching the free, public claim by URI.",
err: getUriError.response.data.error.message
});
});
}
module.exports = { module.exports = {
publishClaim: function(publishObject){ publishClaim: function(publishObject){
axios.post('http://localhost:5279/lbryapi', publishObject) axios.post('http://localhost:5279/lbryapi', publishObject)
.then(function (response) { .then(function (response) {
@ -56,120 +79,82 @@ module.exports = {
//res.status(500).send(JSON.stringify({msg: "your file was not published", err: error.response.data.error.message})); //res.status(500).send(JSON.stringify({msg: "your file was not published", err: error.response.data.error.message}));
}) })
}, },
getClaimBasedOnNameOnly: function(claimName){ getClaimBasedOnNameOnly: function(claimName){
// 1. create a promise // 1. create a promise
var deferred = new Promise(function (resolve, reject){ var deferred = new Promise(function (resolve, reject){
// 2. code to resolve or reject the promise // 2. code to resolve or reject the promise
// make a call to the daemon to get the claims list // make a call to the daemon to get the claims list
axios.post('http://localhost:5279/lbryapi', { axios.post('http://localhost:5279/lbryapi', { // receives a promise
method: "claim_list", method: "claim_list",
params: { name: claimName } params: { name: claimName }
}) })
.then(function (response) { .then(function (response) {
console.log(">> Claim_list success"); console.log(">> Claim_list success");
console.log(">> Number of claims:", response.data.result.claims.length)
var claimsList = response.data.result.claims;
console.log(">> Number of claims:", claimsList.length)
// return early if no claims were found // return early if no claims were found
if (response.data.result.claims.length === 0){ if (claimsList.length === 0){
reject({ reject("no claims were found");
msg: "no claims", console.log("exiting due to lack of claims");
err: "no claims"
});
return; return;
} }
// filter the claims to return free, public claims
var freePublicClaims = filterForFreePublicClaims(response.data.result.claims); // filter the claims to return only free, public claims
var freePublicClaims = filterForFreePublicClaims(claimsList);
// return early if no free, public claims were found // return early if no free, public claims were found
if (!freePublicClaims || (freePublicClaims.length === 0)){ if (!freePublicClaims || (freePublicClaims.length === 0)){
reject({ reject("no free, public claims were found");
msg: "no free, public claims", console.log("exiting due to lack of free or public claims");
err: "no free, public claims"
});
return; return;
} }
// order the claims // order the claims
var orderedPublcClaims = orderTopClaims(freePublicClaims); var orderedPublcClaims = orderTopClaims(freePublicClaims);
// create the uri for the first (selected) claim // create the uri for the first (selected) claim
console.log(">> ordered free public claims", orderedPublcClaims); console.log(">> ordered free public claims", orderedPublcClaims);
var freePublicClaimUri = "lbry://" + orderedPublcClaims[0].name + "#" + orderedPublcClaims[0].claim_id; var freePublicClaimUri = "lbry://" + orderedPublcClaims[0].name + "#" + orderedPublcClaims[0].claim_id;
console.log(">> your free public claim uri:", freePublicClaimUri); console.log(">> your free public claim uri:", freePublicClaimUri);
// fetch the image to display // fetch the image to display
axios.post('http://localhost:5279/lbryapi', { getClaimWithUri(freePublicClaimUri, resolve, reject);
method: "get",
params: { uri: freePublicClaimUri }
}
).then(function (getResponse) {
console.log(">> 'get claim' success...");
console.log(">> response data:", getResponse.data);
console.log(">> dl path =", getResponse.data.result.download_path)
// resolve the promise with the download path for the claim we got
resolve(getResponse.data.result.download_path);
}).catch(function(getError){
console.log(">> 'get' error:", getError.response.data);
// reject the promise with an error message
reject({
msg: "An error occurred while fetching the free, public claim by URI.",
err: getError.response.data.error.message
});
});
}) })
.catch(function(error){ .catch(function(error){
console.log(">> error:", error.response.data); console.log(">> error:", error);
// check to see what kind of error came back from lbry
// reject the promise with an approriate message // reject the promise with an approriate message
if (error.response.data){ reject(error.response.data.error);
reject({ return;
msg: "An error occurred while getting the claim list.",
err: error.response.data.error.message
});
} else {
reject({
msg: "An error occurred while getting the claim list.",
err: error.response
});
}
}); });
}); });
// 3. return the promise // 3. return the promise
return deferred; return deferred;
}, },
serveClaimBasedOnUri: function(uri, res){
getClaimBasedOnUri: function(uri){
/* /*
to do: need to pass the URI through a test (use 'resolve') to see if it is free and public. Right now it is jumping straight to 'get'ing and serving the asset. to do: need to pass the URI through a test (use 'resolve') to see if it is free and public. Right now it is jumping straight to 'get'ing and serving the asset.
*/ */
console.log(">> your uri:", uri); var deferred = new Promise(function (resolve, reject){
// fetch the image to display console.log(">> your uri:", uri);
axios.post('http://localhost:5279/lbryapi', { // to do: abstract this code to a function that can be shared
method: "get",
params: {
uri: uri
}
}
).then(function (getResponse) {
console.log(">> 'get claim' success...");
console.log(">> response data:", getResponse.data);
console.log(">> dl path =", getResponse.data.result.download_path)
/*
to do: make sure the file has completed downloading before serving back the file
*/
// return the claim we got
res.status(200).sendFile(getResponse.data.result.download_path);
/* delete the file after a certain amount of time? */ // fetch the image to display
getClaimWithUri(uri, resolve, reject);
});
return deferred;
}).catch(function(error){
console.log(">> /c/ 'get' error:", error.response.data);
res.status(500).send(JSON.stringify({msg: "an error occurred", err: error.response.data.error.message}));
})
}, },
serveAllClaims: function(claimName, res){ serveAllClaims: function(claimName, res){
// make a call to the daemon to get the claims list // make a call to the daemon to get the claims list
axios.post('http://localhost:5279/lbryapi', { axios.post('http://localhost:5279/lbryapi', {
method: "claim_list", method: "claim_list",
params: { params: { name: claimName }
name: claimName
}
} }
).then(function (response) { ).then(function (response) {
console.log(">> Claim_list success"); console.log(">> Claim_list success");
@ -190,7 +175,10 @@ module.exports = {
// order the claims // order the claims
var orderedPublicClaims = orderTopClaims(freePublicClaims); var orderedPublicClaims = orderTopClaims(freePublicClaims);
// serve the response // serve the response
res.status(200).send(orderedPublicClaims); //to do: rather than returning json, serve a page of all these claims /*
to do: rather than returning json, serve a page of all these claims
*/
res.status(200).send(orderedPublicClaims);
}).catch(function(error){ }).catch(function(error){
console.log(">> /c/ error:", error.response.data); console.log(">> /c/ error:", error.response.data);
// serve the response // serve the response

View file

@ -18,15 +18,15 @@
console.log(document.URL) console.log(document.URL)
var url = document.URL.substring(document.URL.indexOf('3000/') + 5); // get from the window? var url = document.URL.substring(document.URL.indexOf('3000/') + 5); // get from the window?
// request the image through the socket // request the image through the socket
socket.emit("image-request", url); socket.emit("claim-request", url);
socket.on("image-update", function(data){ socket.on("claim-update", function(data){
console.log("data:", data); console.log("data:", data);
document.getElementById("status").innerHTML = data; document.getElementById("status").innerHTML = data;
}) })
// receive the image through the socket // receive the image through the socket
socket.on("image-send", function(data){ socket.on("claim-send", function(data){
if (data.image) { if (data.image) {
var base64Image = 'data:image/jpeg;base64,' + data.buffer; var base64Image = 'data:image/jpeg;base64,' + data.buffer;
document.getElementById("image").innerHTML = '<img src="' + base64Image + '"/>'; document.getElementById("image").innerHTML = '<img src="' + base64Image + '"/>';

View file

@ -17,9 +17,6 @@ module.exports = function(app){
app.post("/publish", multipartMiddleware, function(req, res){ app.post("/publish", multipartMiddleware, function(req, res){
// receive the request // receive the request
console.log(" >> POST request on /publish"); console.log(" >> POST request on /publish");
//console.log(">> req.files:", req.files)
//console.log(" >> req.body:", req.body)
// build the data needed to publish the file // build the data needed to publish the file
var publishObject = { var publishObject = {
"method":"publish", "method":"publish",
@ -37,8 +34,6 @@ module.exports = function(app){
} }
} }
}; };
//console.log(">> publishObject:", publishObject)
// post the task to the que // post the task to the que
queueApi.addNewTaskToQueue(JSON.stringify({ queueApi.addNewTaskToQueue(JSON.stringify({
type: 'publish', type: 'publish',
@ -46,7 +41,6 @@ module.exports = function(app){
})); }));
// respond to the client that the task has been queued // respond to the client that the task has been queued
res.status(200).sendFile(path.join(__dirname, '../public', 'publishingClaim.html')); res.status(200).sendFile(path.join(__dirname, '../public', 'publishingClaim.html'));
}); });
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name/all", function(req, res){ app.get("/:name/all", function(req, res){
@ -56,16 +50,14 @@ module.exports = function(app){
}); });
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name/:claim_id", function(req, res){ app.get("/:name/:claim_id", function(req, res){
var uri = "lbry://" + req.params.name + "#" + req.params.claim_id; console.log(">> GET request on /" + req.params.name + "#" + req.params.claim_id);
console.log(">> GET request on /" + uri); res.status(200).sendFile(path.join(__dirname, '../public', 'claim.html'));
lbryApi.serveClaimBasedOnUri(uri, res);
}); });
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name", function(req, res){ app.get("/:name", function(req, res){
var name = req.params.name; var name = req.params.name;
console.log(">> GET request on /" + name) console.log(">> GET request on /" + name)
// retrieve the claim // send page (includes a socket to get the file)
//lbryApi.serveClaimBasedOnNameOnly(name, res);
res.status(200).sendFile(path.join(__dirname, '../public', 'claim.html')); res.status(200).sendFile(path.join(__dirname, '../public', 'claim.html'));
}); });
// route for the home page // route for the home page

View file

@ -1,5 +1,3 @@
// routes to export
module.exports = function(app) { module.exports = function(app) {
var http = require('http').Server(app); var http = require('http').Server(app);
var io = require('socket.io')(http); var io = require('socket.io')(http);
@ -10,12 +8,12 @@ module.exports = function(app) {
function sendTheImage(socket, filePath){ function sendTheImage(socket, filePath){
fs.readFile(filePath, function(err, buff){ fs.readFile(filePath, function(err, buff){
if (err) { if (err) {
console.log("fs err", err); console.log("socket: fs err:", err);
return; return;
}; };
//console.log("buff", buff); //console.log("buff", buff);
socket.emit('image-send', { image: true, buffer: buff.toString('base64') }); socket.emit('claim-send', { image: true, buffer: buff.toString('base64') });
console.log('image file has been sent via sockets'); console.log('socket: the image file has been sent via sockets');
}); });
} }
@ -23,30 +21,30 @@ module.exports = function(app) {
console.log('a user connected'); console.log('a user connected');
// serve an image file from the server // serve an image file from the server
socket.on('image-request', function(name){ socket.on('claim-request', function(query){
// 1. retrieve the image from lbry via daemon // 1. retrieve the image from lbry via daemon
console.log("received image request for:", name) console.log("socket: received claim request for:", query)
var promise = lbryApi.getClaimBasedOnNameOnly(name); if (query.indexOf("/") === -1){
var promise = lbryApi.getClaimBasedOnNameOnly(query)
} else {
var uri = query.replace("/", "#");
var promise = lbryApi.getClaimBasedOnUri(uri)
}
promise.then(function(data){ promise.then(function(data){
console.log("socket-routes / image-request - success:", data) console.log("socket: claim-request - success:", data)
// 3. serve the image back once it is retrieved // 3. serve the image back once it is retrieved
sendTheImage(socket, data); sendTheImage(socket, data);
return;
}) })
.catch(function(error){ .catch(function(error){
console.log("socket-routes / image-request - error:", error) console.log("socket: claim-request - error:", error)
// handle the errors // handle the error
if (error.msg === "no claims"){ socket.emit("claim-update", error);
socket.emit("image-update", "no claims were found for " + name);
} else if (error.msg === "no free, public claims"){
socket.emit("image-update", "no free, public claims were found for " + name);
} else {
socket.emit("image-update", "an unknown error occured with fetching claim");
};
return; return;
}); });
// 2. emit updates as the image is being retrieved // 2. emit updates as the image is being retrieved
socket.emit("image-update", "we are getting your image for " + name); socket.emit("claim-update", "We are getting your claim for " + query);
}) })
// handle disconnect // handle disconnect