feat(rubick): rename project and add production release bundle

msn/news_analysis.go

@@ -0,0 +1,194 @@
+package msn
+
+import (
+	"strings"
+)
+
+// News categories
+const (
+	CategoryEarnings        = "earnings"
+	CategoryDividend        = "dividend"
+	CategoryCorporateAction = "corporate_action"
+	CategoryRegulation      = "regulation"
+	CategoryRating          = "rating"
+	CategoryExpansion       = "expansion"
+	CategoryLeadership      = "leadership"
+	CategoryMarket          = "market"
+	CategoryGeneral         = "general"
+)
+
+// Sentiment types
+const (
+	SentimentPositive = "positive"
+	SentimentNegative = "negative"
+	SentimentNeutral  = "neutral"
+)
+
+// Category keywords (Indonesian + English)
+var categoryKeywords = map[string][]string{
+	CategoryEarnings: {
+		"laba", "rugi", "earnings", "profit", "net income", "pendapatan",
+		"revenue", "keuntungan", "kerugian", "loss", "income", "untung",
+		"quarterly", "kuartalan", "annual report", "laporan tahunan",
+		"eps", "earning per share",
+	},
+	CategoryDividend: {
+		"dividen", "dividend", "pembagian", "interim", "final dividend",
+		"cum date", "ex date", "payment date", "tanggal pembayaran",
+		"yield", "payout",
+	},
+	CategoryCorporateAction: {
+		"akuisisi", "merger", "acquisition", "rights issue", "stock split",
+		"reverse split", "buyback", "ipo", "penawaran umum", "private placement",
+		"tender offer", "spin off", "spinoff", "demerger", "konsolidasi",
+		"rights", "waran", "warrant", "obligasi", "bond", "sukuk",
+	},
+	CategoryRegulation: {
+		"ojk", "regulasi", "peraturan", "kebijakan", "regulation", "policy",
+		"compliance", "kepatuhan", "lisensi", "license", "izin", "permit",
+		"pemerintah", "government", "bapepam", "bei", "idx", "bursa",
+	},
+	CategoryRating: {
+		"rating", "peringkat", "upgrade", "downgrade", "outlook",
+		"stable", "positive", "negative", "credit rating", "moody",
+		"fitch", "s&p", "pefindo", "target price", "rekomendasi",
+		"buy", "sell", "hold", "analyst",
+	},
+	CategoryExpansion: {
+		"ekspansi", "expansion", "investasi", "investment", "proyek baru",
+		"new project", "pabrik", "factory", "plant", "cabang", "branch",
+		"pembangunan", "construction", "development", "joint venture", "jv",
+		"kerjasama", "partnership", "kontrak", "contract",
+	},
+	CategoryLeadership: {
+		"direktur", "director", "komisaris", "commissioner", "ceo", "cfo",
+		"president director", "management", "manajemen", "direksi",
+		"rups", "agm", "annual general meeting", "pengangkatan", "appointment",
+		"pengunduran", "resignation", "pergantian", "change",
+	},
+	CategoryMarket: {
+		"ihsg", "idx", "pasar modal", "bursa", "market", "saham",
+		"stock", "trading", "perdagangan", "volume", "kapitalisasi",
+		"market cap", "blue chip", "lq45", "idx80", "kompas100",
+	},
+}
+
+// Positive sentiment keywords
+var positiveKeywords = []string{
+	// Indonesian
+	"naik", "untung", "tumbuh", "positif", "optimis", "meningkat",
+	"surplus", "berhasil", "sukses", "cemerlang", "bagus", "baik",
+	"membaik", "melonjak", "meroket", "tertinggi", "rekor",
+	"peningkatan", "pertumbuhan", "keuntungan", "laba bersih",
+	"ekspansi", "pemulihan", "recovery",
+	// English
+	"rise", "gain", "growth", "positive", "optimistic", "increase",
+	"surplus", "success", "excellent", "good", "improve", "surge",
+	"soar", "highest", "record", "profit", "expansion", "recovery",
+	"bullish", "upgrade", "beat", "exceed", "outperform",
+}
+
+// Negative sentiment keywords
+var negativeKeywords = []string{
+	// Indonesian
+	"turun", "rugi", "anjlok", "negatif", "pesimis", "menurun",
+	"defisit", "gagal", "buruk", "memburuk", "jatuh", "tertekan",
+	"terendah", "penurunan", "kerugian", "merosot", "melemah",
+	"default", "bangkrut", "pailit", "koreksi", "tekanan",
+	// English
+	"fall", "loss", "plunge", "negative", "pessimistic", "decrease",
+	"deficit", "fail", "bad", "worsen", "drop", "pressure",
+	"lowest", "decline", "weak", "default", "bankrupt", "correction",
+	"bearish", "downgrade", "miss", "underperform", "concern", "risk",
+}
+
+// Critical news keywords (alerts)
+var criticalKeywords = []string{
+	// Indonesian
+	"suspend", "suspensi", "fraud", "penipuan", "korupsi", "corruption",
+	"default", "gagal bayar", "bangkrut", "pailit", "bankruptcy",
+	"delisting", "pencabutan", "investigasi", "investigation",
+	"skandal", "scandal", "illegal", "ilegal", "pelanggaran", "violation",
+	"tuntutan", "lawsuit", "gugatan", "denda", "fine", "sanksi", "sanction",
+	"pkpu", "penundaan", "moratorium", "restrukturisasi utang",
+	// English
+	"suspend", "fraud", "corruption", "default", "bankrupt", "bankruptcy",
+	"delisting", "investigation", "scandal", "illegal", "violation",
+	"lawsuit", "fine", "sanction", "debt restructuring", "warning",
+	"material adverse", "going concern", "audit opinion", "disclaimer",
+}
+
+// categorizeNews determines the category of a news article
+func categorizeNews(title, abstract string) string {
+	text := strings.ToLower(title + " " + abstract)
+
+	// Check each category
+	maxScore := 0
+	bestCategory := CategoryGeneral
+
+	for category, keywords := range categoryKeywords {
+		score := 0
+		for _, keyword := range keywords {
+			if strings.Contains(text, keyword) {
+				score++
+			}
+		}
+		if score > maxScore {
+			maxScore = score
+			bestCategory = category
+		}
+	}
+
+	return bestCategory
+}
+
+// scoreNewsSentiment analyzes sentiment of a news article
+func scoreNewsSentiment(title, abstract string) (sentiment string, score float64) {
+	text := strings.ToLower(title + " " + abstract)
+
+	positiveScore := 0
+	negativeScore := 0
+
+	for _, keyword := range positiveKeywords {
+		if strings.Contains(text, keyword) {
+			positiveScore++
+		}
+	}
+
+	for _, keyword := range negativeKeywords {
+		if strings.Contains(text, keyword) {
+			negativeScore++
+		}
+	}
+
+	totalScore := positiveScore + negativeScore
+	if totalScore == 0 {
+		return SentimentNeutral, 0.0
+	}
+
+	// Calculate score from -1 (very negative) to +1 (very positive)
+	score = float64(positiveScore-negativeScore) / float64(totalScore)
+
+	if score > 0.2 {
+		sentiment = SentimentPositive
+	} else if score < -0.2 {
+		sentiment = SentimentNegative
+	} else {
+		sentiment = SentimentNeutral
+	}
+
+	return sentiment, score
+}
+
+// isNewsCritical checks if news contains critical/alert-worthy content
+func isNewsCritical(title, abstract string) bool {
+	text := strings.ToLower(title + " " + abstract)
+
+	for _, keyword := range criticalKeywords {
+		if strings.Contains(text, keyword) {
+			return true
+		}
+	}
+
+	return false
+}