add a simple frontend that works via console.log

npm boilerplate
2024-05-09 00:50:11 -05:00 · 2024-05-08 17:58:14 -05:00
2 changed files with 127 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,11 @@
+<html>
+    <body>
+        <script src="https://mozilla.github.io/pdf.js/build/pdf.mjs" type="module"></script>
+        <script src="main.js"></script>
+        <script>
+        </script>
+        <div id="message"></div>
+        <input type="file" id="fileupload">
+        <button onclick="onFileUpload()">click me</button>
+    </body>
+</html>
--- a/main.js
+++ b/main.js
@ -0,0 +1,116 @@
+var {pdfjsLib} = globalThis;
+
+function concatLines(lines) {
+    output = "";
+    for (var line = 0; line < lines.length; line++) {
+        output += lines[line].str;
+    }
+    return output;
+}
+
+function fillInCommitteePages(pages) { // TODO: make this more efficent
+    output = []
+    for(var i = pages[0]; i < pages[pages.length - 1]; i++) {
+        if (!pages.includes(i)) output.push(i)
+    }
+    return output
+}
+
+function concatAllCommitteePages(committeePages, allLines) {
+    output = []
+    for (var i = 0; i < committeePages.length; i++) {
+        output = output.concat(allLines[committeePages[i]])
+    }
+    return output;
+}
+
+function splitByBillHeader(committeeLines, billHeader) {
+    output = [];
+    current = [];
+    for (var i = 0; i < committeeLines.length; i++) {
+        if(committeeLines[i].str == billHeader) {
+            output.push(current);
+            current = [];
+        } else {
+            current.push(committeeLines[i])
+        }
+    }
+    output.shift()
+    return output;
+}
+
+function extractBillInformation(splittedByBillHeader) {
+    var output = [];
+    for (var i = 0; i < splittedByBillHeader.length; i++) {
+        current = splittedByBillHeader[i];
+        console.log(current)
+        var subcommittee = current[31].str;
+        var sponsors = current[33].str;
+        var school = current[35].str;
+        var billcode = current[5].str;
+
+        output.push({
+            subcommittee: subcommittee,
+            sponsors: sponsors,
+            school: school,
+            billcode: billcode,
+        })
+    }
+
+    return output;
+}
+
+function processLines(lines) {
+    var committeePages = [];
+    var endPage = null;
+    for (var i = 0; i < lines.length; i++) {
+        var concatted = concatLines(lines[i])
+        if (concatted.includes("COMMITTEE") && concatted.includes("GOVERNMENT")) { // we have a committee page
+            committeePages.push(i)
+        } else if (concatted.includes("ABCs")) {
+            endPage = i;
+        }
+    }
+    committeePages.push(endPage)
+    committeeLines = 
+        concatAllCommitteePages(
+            fillInCommitteePages(
+                committeePages
+            ), lines
+        )
+    
+    billHeader = committeeLines[0].str;
+    committeeLines.push({str: billHeader})
+
+    splittedByBillHeader = splitByBillHeader(committeeLines, billHeader)
+    billInfo = extractBillInformation(splittedByBillHeader);
+    console.log(billInfo)
+}
+
+function onFileUpload() {
+    const reader = new FileReader()
+    var result = null;
+    reader.onload = function(evt) {
+        const contents = evt.target.result;
+        pdfjsLib.GlobalWorkerOptions.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.mjs';
+        var task = pdfjsLib.getDocument({data: contents});
+        var result = task.promise.then(function(pdf) {
+            var pageCount = pdf.numPages;
+            var promises = [];
+            for (var i = 1; i <= pageCount; i++) {
+                var page = pdf.getPage(i);
+                promises.push(page.then(function(page) {
+                    var textContent = page.getTextContent();
+                    return textContent.then(function(text) {
+                        return text.items;
+                    })
+                }))
+            }
+            Promise.all(promises).then(function(lines) {
+                processLines(lines)
+            })
+        })
+    }
+
+    reader.readAsBinaryString(document.getElementById("fileupload").files[0])
+}
Author	SHA1	Message	Date
stupidcomputer	b8e65edccd	add a simple frontend that works via console.log	2024-05-09 00:50:11 -05:00
stupidcomputer	a4809fa95a	npm boilerplate	2024-05-08 17:58:14 -05:00