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feat: Add positive and negative sentiment labels #520

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Jan 23, 2025
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feat: Add positive and negative sentiment labels #520

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38 changes: 21 additions & 17 deletions gmail-sentiment-analysis/Gmail.gs
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Original file line number Diff line number Diff line change
Expand Up @@ -26,14 +26,18 @@ function analyzeSentiment() {

/**
* Analyzes the sentiment of recent emails in the inbox and labels threads with
* negative sentiment as "UPSET TONE 😡".
* the appropriate sentiment label.
*/
function analyzeAndLabelEmailSentiment() {
const labelName = "UPSET TONE 😡";
const positiveLabelName = "HAPPY TONE 😊";
const neutralLabelName = "NEUTRAL TONE 😐";
const negativeLabelName = "UPSET TONE 😡";
const maxThreads = 10;

// Get the label, or create it if it doesn't exist.
const label = GmailApp.getUserLabelByName(labelName) || GmailApp.createLabel(labelName);
const positiveLabel = GmailApp.getUserLabelByName(positiveLabelName) || GmailApp.createLabel(positiveLabelName);
const neutralLabel = GmailApp.getUserLabelByName(neutralLabelName) || GmailApp.createLabel(neutralLabelName);
const negativeLabel = GmailApp.getUserLabelByName(negativeLabelName) || GmailApp.createLabel(negativeLabelName);

// Get the first 'maxThreads' threads from the inbox.
const threads = GmailApp.getInboxThreads(0, maxThreads);
Expand All @@ -45,25 +49,25 @@ function analyzeAndLabelEmailSentiment() {
// Process each message within the thread.
for (const message of messages) {
const emailText = message.getPlainBody();
const isUpset = isNegativeSentiment(emailText);

if (isUpset) {
thread.addLabel(label);
const sentiment = processSentiment(emailText);

switch (sentiment) {
case 'positive':
thread.addLabel(positiveLabel);
break;
case 'neutral':
thread.addLabel(neutralLabel);
break;
case 'negative':
thread.addLabel(negativeLabel);
break;
default:
break;
}
}
}
}

/**
* Determines if the given text has a negative sentiment.
*
* @param {string} text - The text to analyze.
* @returns {boolean} True if the sentiment is negative, false otherwise.
*/
function isNegativeSentiment(text) {
return processSentiment(text) === 'negative';
}

/**
* Create sample emails
*/
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