Add hacked together web interface

1 files changed, 109 insertions, 0 deletions

diff --git a/lib/web.js b/lib/web.js
new file mode 100644
index 0000000..20bc44f
--- /dev/null
+++ b/lib/web.js
@@ -0,0 +1,109 @@
+var http = require("http");
+var connect = require("connect");
+var url = require("url");
+var fs = require("fs");
+var q = require("q");
+var mammoth = require("./");
+var ZipFile = require("zipfile").ZipFile;
+
+function startServer(options) {
+    var app = connect()
+        .use(connect.bodyParser())
+        .use("/static/", connect.static(__dirname + '/../static'))
+        .use(handlePage)
+        .use(renderTemplate);
+    http.createServer(app).listen(options.port);
+}
+
+
+var handlers = {
+    "/": handleIndex,
+    "/convert": handleConvert
+};
+
+function handlePage(request, response, next) {
+    var pathname = url.parse(request.url).pathname;
+    var handler = handlers[pathname];
+    if (handler) {
+        handler(request, response, next);
+    } else {
+        next();
+    }
+}
+
+function handleIndex(request, response, next) {
+    if (url.parse(request.url).pathname !== "/") {
+        return next();
+    }
+    request.template = {
+        name: "index.html"
+    };
+    next();
+}
+
+function handleConvert(request, response, next) {
+    if (url.parse(request.url).pathname !== "/convert") {
+        return next();
+    }
+    
+    var converter = new mammoth.Converter();
+    var uploadedDocument = request.files.document;
+    var documentPath = uploadedDocument.path
+    // TODO: remove duplication from index.js
+    var zipFile = new ZipFile(documentPath);
+    var docxFile = {
+        read: function(path) {
+            return q.ninvoke(zipFile, "readFile", path, "utf-8")
+                .then(function(value) {
+                    return value.toString();
+                });
+        }
+    };
+    
+    converter.convertToHtml(docxFile)
+        .then(function(result) {
+            request.template = {
+                name: "convert.html",
+                values: {
+                    documentName: uploadedDocument.name,
+                    documentHtml: result.html
+                }
+            };
+            next();
+        })
+        .fin(function() {
+            fs.unlink(documentPath);
+        });
+}
+
+function renderTemplate(request, response, next) {
+    if (!request.template) {
+        return next();
+    }
+    var templateName = request.template.name;
+    q.nfcall(fs.readFile, "templates/" + templateName, "utf-8")
+        .then(function(templateContent) {
+            var values = request.template.values || {};
+            var content = templateContent;
+            for (var key in values) {
+                if (Object.prototype.hasOwnProperty.call(values, key)) {
+                    content = content.replace("{{" + key + "}}", values[key]);
+                }
+            }
+            response.writeHead(200, {
+                "content-type": "text/html; charset=utf-8"
+            });
+            response.end(content);
+        })
+        .fail(function(error) {
+            console.log(error);
+            next(error);
+        });
+}
+
+if (require.main === module) {
+    var argv = require("optimist").argv;
+    var port = argv.port ? parseInt(argv.port, 10) : 3000;
+    startServer({port: port});
+    console.log("Server running on http://localhost:" + port);
+}