From 783d5fccf8e24108e7ad7777a315f394ac467f43 Mon Sep 17 00:00:00 2001
From: Xevion <xevion@xevion.dev>
Date: Fri, 2 Feb 2024 14:04:56 -0600
Subject: [PATCH] Finish proper term archival check func

---
 api.go     |  5 +++++
 helpers.go | 32 ++++++++++++++++++++++++++++++--
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/api.go b/api.go
index 0b0032b..726aba3 100644
--- a/api.go
+++ b/api.go
@@ -24,6 +24,11 @@ type Pair struct {
 type BannerTerm Pair
 type Instructor Pair
 
+// Archived returns true if the term is in it's archival state (view only)
+func (term BannerTerm) Archived() bool {
+	return strings.Contains(term.Description, "View Only")
+}
+
 // GetTerms retrieves and parses the term information for a given search term.
 // Ensure that the offset is greater than 0.
 func GetTerms(search string, offset int, max int) ([]BannerTerm, error) {
diff --git a/helpers.go b/helpers.go
index eca8a6b..5d70ee4 100644
--- a/helpers.go
+++ b/helpers.go
@@ -16,6 +16,7 @@ import (
 	"github.com/bwmarrin/discordgo"
 	"github.com/rs/zerolog"
 	log "github.com/rs/zerolog/log"
+	"github.com/samber/lo"
 )
 
 // BuildRequestWithBody builds a request with the given method, path, parameters, and body
@@ -369,9 +370,36 @@ func EncodeParams(params map[string]*[]string) string {
 	return buf.String()
 }
 
-// TODO: Add a function to check if a term is view-only
+var terms []BannerTerm
+var lastTermUpdate time.Time
+
+// IsTermArchived checks if the given term is archived
+// TODO: Add error, switch missing term logic to error
 func IsTermArchived(term string) bool {
-	return false
+	// If the terms are not loaded, or the last update was more than 4 hours ago, update the terms
+	if len(terms) == 0 || time.Since(lastTermUpdate) > 4*time.Hour {
+		// Load the terms
+		var err error
+		terms, err = GetTerms("", 1, 10)
+		if err != nil {
+			log.Err(err).Msg("Failed to get terms")
+			return false
+		}
+
+		lastTermUpdate = time.Now()
+	}
+
+	// Check if the term is in the list of terms
+	bannerTerm, exists := lo.Find(terms, func(t BannerTerm) bool {
+		return t.Code == term
+	})
+
+	if !exists {
+		log.Warn().Str("term", term).Msg("Term does not exist")
+		return true
+	}
+
+	return bannerTerm.Archived()
 }
 
 // Point represents a point in 2D space