cradle

Serving file with CouchDB attachment?

|▌冷眼眸甩不掉的悲伤 提交于 2020-02-06 04:08:54
问题 Im using Express. i can't figure out how to send an image file to client in a way that it will be displayed to HTML tag <img src='/preview/?doc=xxxxxx&image=img1.jpg'> . I'm using Cradle getAttachment function to communicate with Couchdb https://github.com/flatiron/cradle db.getAttachment(id, filename, function (err, reply) { set('Content-Type', 'image/png'); res.end(reply); }); i don't know what reply is exactly and how to transfer that image to client without buffer 回答1: To transfer an

How can I pass parameters to a view using cradle (CouchDB)

一曲冷凌霜 提交于 2019-12-12 15:43:34
问题 Using cradle, how am I able to pass parameters to a view in CouchDB? Update Say I want to return documents which match other properties than _key (the default)... // document format { _key, postHeading, postBody, postDate } What if I wanted to match documents against the postHeading property... How would I go about this? What would the view look like, and how would I pass a search string to that view? At the moment I'm doing this... database.get("980f2ba66d5c8f9c91b9204a4d00022a", function

How do I delete a key-value pair using Cradle in CouchDB/Node.js?

大城市里の小女人 提交于 2019-12-11 15:12:05
问题 I've been working a lot with Cradle, the couchDB client. However, I have a document filled with key-value pairs, and I'm trying to delete a specific row in there. In the documentation, I cannot find a way to do deletion that doesn't include deleting the entire document or updating it with a null value. Can anyone point me in the right direction? I feel this is most likely a very simple issue that lots of people run into. 回答1: In CouchDB, there is no support for partial document updates

Cradle / Express / EJS convert html to its entities

*爱你&永不变心* 提交于 2019-12-11 06:07:20
问题 I'm using Cradle with Express and EJS on my blog. Maybe i am missing smth but some of them converts html entities to its equivalents. I have html in doc.quote field and after this piece of code it changes quotesDb.view('list/by_date', { 'startkey' : {}, 'endkey' : null, 'descending' : true }, function(err, res) { if (err) { r.send(); return; } r.partial('quotes', {'quotes' : res}, function(err, str) { console.log(str); sendResponse('content', str); }); }); quotes.ejs: <% for (var i=0; i

Retrieving all Documents from couchdb using Node.js

青春壹個敷衍的年華 提交于 2019-12-05 00:57:53
问题 I am writing a simple test app to experiment with the functionality of node.js and couchdb, so far i am loving it, but i ran in a snag. i have looked for and wide but can't seem to find an answer. My test server(a simple address book) does 2 things: if the user goes to localhost:8000/{id} then my app returns the name and address of the user with that id. if the user goes to localhost:8000/ then my app needs to return a list a names that are hyperlinks and takes them to the page localhost:8000

When I uncomment one line of code, I receive this error: _http_outgoing.js:359 throw new Error('Can\'t set headers after they are sent.');

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-02 22:04:57
问题 When I uncomment this line: return done(null, false, { message: 'Incorrect username' }); in the following code, Node.js runs without any error, otherwise, Node.js gives an error mentioned later: //we need to define a local Strategy to authenticate with username and password passport.use(new LocalStrategy( function(username, password, done) { //start of custom code //from here starts our custom code (inside this function scope) //outside this scope is from passport API documentation //process