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63 lines
2.3 KiB
Rust
63 lines
2.3 KiB
Rust
//
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// Copyright (c) 2025-2026 rustmailer.com (https://rustmailer.com)
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//
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// This file is part of the Bichon Email Archiving Project
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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use std::collections::HashSet;
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pub fn determine_folder(labels_raw: &str) -> String {
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let mut status_blacklist = HashSet::new();
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status_blacklist.insert("Opened");
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status_blacklist.insert("Unread");
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status_blacklist.insert("Archived");
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let all_labels: Vec<&str> = labels_raw
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.split(',')
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.map(|s| s.trim())
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.filter(|s| !s.is_empty())
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.collect();
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if all_labels.is_empty() {
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return "Unknown".to_string();
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}
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let filtered: Vec<&str> = all_labels
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.iter()
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.filter(|&&l| !status_blacklist.contains(l))
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.cloned()
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.collect();
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match filtered.len() {
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// Case A: If all labels were status labels, fallback to the first original label
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0 => all_labels[0].to_string(),
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// Case B: If only one label remains, that's our target destination
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1 => filtered[0].to_string(),
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// Case C: Multiple labels remain (e.g., ["Inbox", "medium"])
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_ => {
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// Prioritize custom business labels by excluding generic locations like "Inbox" or "Sent"
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let business_label = filtered.iter().find(|&&l| l != "Inbox" && l != "Sent");
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match business_label {
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// Return the first non-generic label found
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Some(label) => label.to_string(),
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// If only generic labels remain (e.g., ["Sent", "Inbox"]), pick the first available
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None => filtered[0].to_string(),
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}
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}
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}
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}
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