feat(search): expand default search scope and support specific field filtering

src/modules/duckdb/init.rs

@@ -1168,6 +1168,18 @@ impl DuckDBManager {
             }
         }
 
+        if let Some(subject) = filter.subject {
+            let pattern = format!("(?i){}", subject);
+            base_sql.push_str(" AND regexp_matches(coalesce(e.subject, ''), ?)");
+            args.push(pattern.into());
+        }
+
+        if let Some(body) = filter.body {
+            let pattern = format!("(?i){}", body);
+            base_sql.push_str(" AND regexp_matches(coalesce(e.body, ''), ?)");
+            args.push(pattern.into());
+        }
+
         if let Some(text) = filter.text {
             let pattern = format!("(?i){}", text);
             base_sql.push_str(
@@ -1175,10 +1187,14 @@ impl DuckDBManager {
             AND (
                 regexp_matches(coalesce(e.subject, ''), ?)
                 OR regexp_matches(coalesce(e.body, ''), ?)
+                OR regexp_matches(coalesce(e.sender, ''), ?)
+                OR regexp_matches(array_to_string(e.recipients, ','), ?)
             )
             ",
             );
             args.push(pattern.clone().into());
+            args.push(pattern.clone().into());
+            args.push(pattern.clone().into());
             args.push(pattern.into());
         }
 

src/modules/imap/tests.rs

@@ -16,8 +16,6 @@
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-use std::io::Write;
-
 use mail_parser::{parsers::MessageStream, MessageParser, MimeHeaders};
 
 use crate::{

src/modules/message/search.rs

@@ -34,6 +34,8 @@ use crate::{
 #[derive(Debug, Clone, Default, Eq, PartialEq, Serialize, Deserialize, Object)]
 pub struct SearchFilter {
     pub text: Option<String>,
+    pub subject: Option<String>,
+    pub body: Option<String>,
     pub from: Option<String>,
     pub to: Option<String>,
     pub cc: Option<String>,
@@ -80,15 +82,23 @@ impl SearchRequest {
             ));
         }
 
-        if let Some(ref pattern) = self.filter.text {
-            if let Err(_) = duckdb()?.validate_regex(pattern) {
-                return Err(raise_error!(
-                    "Invalid search pattern: The regular expression is not supported by DuckDB."
-                        .into(),
-                    ErrorCode::InvalidParameter
-                ));
+        let validate = |pattern: &Option<String>| -> BichonResult<()> {
+            if let Some(ref p) = pattern {
+                if duckdb()?.validate_regex(p).is_err() {
+                    return Err(raise_error!(
+                        "Invalid search pattern: The regular expression is not supported by DuckDB.".into(),
+                        ErrorCode::InvalidParameter
+                    ));
+                }
             }
-        }
+            Ok(())
+        };
+
+        validate(&self.filter.text)?;
+        validate(&self.filter.subject)?;
+        validate(&self.filter.body)?;
+        validate(&self.filter.from)?;
+        validate(&self.filter.to)?;
 
         Ok(())
     }

web/src/features/search/filter-reset.tsx

@@ -8,7 +8,7 @@ export function FilterResetButton() {
     const { filter, setFilter } = useSearchContext();
     const { t } = useTranslation()
     const { q, ...restFilters } = filter;
-    
+
     const activeFiltersCount = Object.keys(restFilters).filter(key => {
         const value = restFilters[key];
         if (Array.isArray(value)) return value.length > 0;
@@ -19,7 +19,7 @@ export function FilterResetButton() {
 
     return (
         <Button
-            variant="ghost"
+            variant="default"
             size="sm"
             onClick={() => setFilter(q ? { q } : {})}
             className={cn(

web/src/features/search/table/toolbar.tsx

@@ -32,10 +32,10 @@ export function DataTableToolbar<TData>({
           <TagFilterPopover />
           <TimePopover />
           <MoreFiltersPopover />
-          <FilterResetButton />
+          <DataTableViewOptions table={table} />
         </div>
         <div className="flex-shrink-0 ml-auto lg:ml-0">
-          <DataTableViewOptions table={table} />
+          <FilterResetButton />
         </div>
       </div>
     </div>

web/src/features/search/text-search-input.tsx

@@ -1,63 +1,61 @@
 import React, { useState, useEffect, useRef } from "react"
 import { Input } from "@/components/ui/input"
 import { Button } from "@/components/ui/button"
-import { Search, X, Clock, Trash2, Info } from "lucide-react"
+import { Search, X, Clock, Trash2 } from "lucide-react"
 import { cn } from "@/lib/utils"
 import { useSearchContext } from "./context"
 import { useTranslation } from "react-i18next"
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select"
 
-const STORAGE_KEY = "mail_search_history"
+const STORAGE_KEY = "bichon_mail_search_history"
 const MAX_HISTORY = 20
 
+type SearchField = "text" | "subject" | "body"
+const SEARCH_FIELDS: SearchField[] = ["text", "subject", "body"]
+
 export function TextSearchInput() {
     const { t } = useTranslation()
     const { filter, setFilter } = useSearchContext()
-    const [value, setValue] = useState(filter.text || "")
+
+    const [value, setValue] = useState("")
+    const [field, setField] = useState<SearchField>("text")
     const [history, setHistory] = useState<string[]>([])
     const [showHistory, setShowHistory] = useState(false)
+
     const inputRef = useRef<HTMLInputElement>(null)
     const containerRef = useRef<HTMLDivElement>(null)
 
+    useEffect(() => {
+        const activeField = SEARCH_FIELDS.find(key => !!filter[key]) || "text"
+        const activeValue = filter[activeField] as string || ""
+
+        setField(activeField)
+        setValue(activeValue)
+    }, [filter])
+
     useEffect(() => {
         try {
             const saved = localStorage.getItem(STORAGE_KEY)
-            if (saved) {
-                setHistory(JSON.parse(saved))
-            }
+            if (saved) setHistory(JSON.parse(saved))
         } catch (err) {
             console.warn("Failed to load search history", err)
         }
     }, [])
 
-    useEffect(() => {
-        setValue(filter.text || "")
-    }, [filter.text])
+    const applyFilter = (currentField: SearchField, searchTerm: string) => {
+        const trimmed = searchTerm.trim()
 
-    
-    const saveToHistory = (term: string) => {
-        if (!term.trim()) return
-
-        setHistory(prev => {
-            const trimmed = term.trim()
-            const withoutCurrent = prev.filter(item => item !== trimmed)
-            const newHistory = [trimmed, ...withoutCurrent].slice(0, MAX_HISTORY)
-
-            try {
-                localStorage.setItem(STORAGE_KEY, JSON.stringify(newHistory))
-            } catch (err) {
-                console.warn("Failed to save search history", err)
+        setFilter((prev) => {
+            const next = { ...prev }
+            SEARCH_FIELDS.forEach(f => {
+                delete next[f]
+            })
+            if (trimmed) {
+                next[currentField] = trimmed
             }
-
-            return newHistory
+            return next
         })
-    }
 
-    const handleSearch = () => {
-        const trimmed = value.trim()
-        setFilter(prev => ({
-            ...prev,
-            text: trimmed || undefined
-        }))
         if (trimmed) {
             saveToHistory(trimmed)
         }
@@ -65,37 +63,31 @@ export function TextSearchInput() {
         inputRef.current?.blur()
     }
 
-    const handleKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
-        if (e.key === "Enter") {
-            e.preventDefault()
-            handleSearch()
-        }
+    const saveToHistory = (term: string) => {
+        setHistory((prev) => {
+            const trimmed = term.trim()
+            const newHistory = [trimmed, ...prev.filter((item) => item !== trimmed)].slice(0, MAX_HISTORY)
+            localStorage.setItem(STORAGE_KEY, JSON.stringify(newHistory))
+            return newHistory
+        })
     }
 
+    const handleSearch = () => applyFilter(field, value)
+
     const handleClear = () => {
         setValue("")
-        setFilter(prev => {
-            const next = { ...prev }
-            delete next.text
-            return next
-        })
-        setShowHistory(false)
+        applyFilter(field, "")
     }
 
     const handleSelectHistory = (term: string) => {
         setValue(term)
-        setShowHistory(false)
-        // 如果需要点击历史立即搜索，可以在这里调用 handleSearch()
+        applyFilter(field, term)
     }
 
-    const handleClearHistory = () => {
+    const handleClearHistory = (e: React.MouseEvent) => {
+        e.stopPropagation()
         setHistory([])
-        try {
-            localStorage.removeItem(STORAGE_KEY)
-        } catch (err) {
-            console.warn("Failed to clear search history", err)
-        }
-        setShowHistory(false)
+        localStorage.removeItem(STORAGE_KEY)
     }
 
     useEffect(() => {
@@ -108,91 +100,107 @@ export function TextSearchInput() {
         return () => document.removeEventListener("mousedown", handleClickOutside)
     }, [])
 
-    const isActive = !!filter.text?.trim()
-
     return (
-        <div ref={containerRef} className="relative w-full max-w-[550px] min-w-[280px]">
-            <div className="flex flex-col gap-1.5">
-                <div className="relative flex items-center gap-1.5">
-                    <div className="relative flex-1">
-                        <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
-                        <Input
-                            ref={inputRef}
-                            value={value}
-                            onChange={(e) => setValue(e.target.value)}
-                            onFocus={() => setShowHistory(true)}
-                            onKeyDown={handleKeyDown}
-                            placeholder={t('search_input.placeholder')}
-                            className={cn(
-                                "h-9 pl-9 pr-9 text-sm",
-                                isActive && "border-primary/50 focus-visible:ring-primary/30"
-                            )}
-                        />
-                        {value && (
-                            <Button
-                                variant="ghost"
-                                size="icon"
-                                className="absolute right-1 top-1/2 h-7 w-7 -translate-y-1/2 text-muted-foreground hover:text-foreground"
-                                onClick={handleClear}
-                            >
-                                <X className="h-4 w-4" />
-                            </Button>
+        <div ref={containerRef} className="relative w-full max-w-[620px] min-w-[320px]">
+            <div className="flex items-center rounded-md border bg-background focus-within:border-primary/50 focus-within:ring-1 focus-within:ring-primary/30 transition-all">
+                <Select
+                    value={field}
+                    onValueChange={(val) => {
+                        const newField = val as SearchField
+                        setField(newField)
+                        if (value.trim()) applyFilter(newField, value)
+                    }}
+                >
+                    <SelectTrigger
+                        className={cn(
+                            "h-9 w-[110px] md:w-[130px] border-r border-border rounded-r-none",
+                            "text-xs md:text-sm bg-transparent focus:ring-0 focus:ring-offset-0 shadow-none border-y-0 border-l-0"
                         )}
-                    </div>
-
-                    <Button
-                        size="sm"
-                        className="h-9 px-5"
-                        onClick={handleSearch}
-                        disabled={!value.trim()}
                     >
-                        {t('search_input.button')}
-                    </Button>
-                </div>
-
-                {/* 搜索范围提示 */}
-                <div className="flex items-center gap-1 px-1 opacity-60">
-                    <Info className="h-3 w-3 text-muted-foreground" />
-                    <span className="text-[10px] text-muted-foreground">
-                        {t('search_input.hint')}
-                    </span>
+                        <SelectValue />
+                    </SelectTrigger>
+                    <SelectContent className="min-w-[240px]">
+                        <SelectItem value="text" className="font-medium cursor-pointer text-xs">
+                            {t("search_input.all")}
+                            <p className="text-[11px] text-muted-foreground/60 leading-relaxed">
+                                {t("search_input.all_fields_desc")}
+                            </p>
+                        </SelectItem>
+                        <SelectItem value="subject" className="cursor-pointer text-xs">
+                            {t("search_input.subject")}
+                        </SelectItem>
+                        <SelectItem value="body" className="cursor-pointer text-xs">
+                            {t("search_input.body")}
+                        </SelectItem>
+                    </SelectContent>
+                </Select>
+                <div className="relative flex-1">
+                    <Search className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-muted-foreground" />
+                    <Input
+                        ref={inputRef}
+                        value={value}
+                        onChange={(e) => setValue(e.target.value)}
+                        onFocus={() => setShowHistory(true)}
+                        onKeyDown={(e) => e.key === "Enter" && handleSearch()}
+                        placeholder={t("search_input.placeholder")}
+                        className="h-9 border-none shadow-none focus-visible:ring-0 pl-9 pr-10 text-sm bg-transparent w-full"
+                    />
+                    {value && (
+                        <Button
+                            variant="ghost"
+                            size="icon"
+                            className="absolute right-1 top-1/2 h-7 w-7 -translate-y-1/2 text-muted-foreground hover:text-foreground"
+                            onClick={handleClear}
+                        >
+                            <X className="h-4 w-4" />
+                        </Button>
+                    )}
                 </div>
+                <Button
+                    size="sm"
+                    className="h-7 mr-1.5 px-3 text-xs md:px-5 md:text-sm"
+                    onClick={handleSearch}
+                    disabled={!value.trim()}
+                >
+                    {t("search_input.button")}
+                </Button>
             </div>
-
             {showHistory && (
-                <div className="absolute top-10 left-0 w-full mt-1 bg-popover border rounded-md shadow-md z-50 max-h-[280px] overflow-auto">
-                    <div className="py-1.5 px-3 text-xs text-muted-foreground font-medium border-b flex items-center justify-between sticky top-0 bg-popover z-10">
+                <div className="absolute top-full left-0 w-full mt-1 bg-popover border rounded-md shadow-lg z-50 max-h-[300px] overflow-hidden flex flex-col">
+                    <div className="py-2 px-3 text-[10px] uppercase tracking-wider text-muted-foreground font-semibold border-b flex items-center justify-between bg-muted/30">
                         <div className="flex items-center gap-1.5">
                             <Clock className="h-3 w-3" />
-                            {t('search_input.recent_title')}
+                            {t("search_input.recent_title")}
                         </div>
                         {history.length > 0 && (
                             <button
                                 onClick={handleClearHistory}
-                                className="text-xs text-destructive hover:text-destructive/80 flex items-center gap-1 hover:underline"
+                                className="text-destructive hover:underline flex items-center gap-1"
                             >
                                 <Trash2 className="h-3 w-3" />
-                                {t('search_input.clear_history')}
+                                {t("search_input.clear_history")}
                             </button>
                         )}
                     </div>
 
-                    {history.length > 0 ? (
-                        history.map((term, idx) => (
-                            <button
-                                key={idx}
-                                className="w-full text-left px-3 py-2 text-xs hover:bg-accent transition-colors flex items-center gap-2"
-                                onClick={() => handleSelectHistory(term)}
-                            >
-                                <Search className="h-3.5 w-3.5 text-muted-foreground" />
-                                {term}
-                            </button>
-                        ))
-                    ) : (
-                        <div className="px-3 py-4 text-xs text-center text-muted-foreground">
-                            {t('search_input.no_history')}
-                        </div>
-                    )}
+                    <div className="overflow-auto py-1">
+                        {history.length > 0 ? (
+                            history.map((term, idx) => (
+                                <button
+                                    key={idx}
+                                    className="w-full text-left px-3 py-2 text-sm hover:bg-accent transition-colors flex items-center gap-2 group"
+                                    onClick={() => handleSelectHistory(term)}
+                                >
+                                    <Search className="h-3.5 w-3.5 text-muted-foreground group-hover:text-primary" />
+                                    <span className="truncate flex-1">{term}</span>
+                                </button>
+                            ))
+                        ) : (
+                            <div className="px-3 py-6 text-sm text-center text-muted-foreground">
+                                {t("search_input.no_history")}
+                            </div>
+                        )}
+                    </div>
                 </div>
             )}
         </div>

web/src/locales/ar.json

@@ -1555,6 +1555,9 @@
         "recent_title": "عمليات البحث الأخيرة",
         "clear_history": "مسح السجل",
         "no_history": "لا يوجد سجل بحث",
-        "hint": "نطاق البحث الافتراضي: العنوان، المحتوى، وأسماء المرفقات"
+        "all": "الكل",
+        "all_fields_desc": "يطابق موضوع الرسالة، النص، المرسل والمستلمين",
+        "subject": "موضوع الرسالة",
+        "body": "نص الرسالة"
     }
 }

web/src/locales/da.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Seneste søgninger",
         "clear_history": "Ryd historik",
         "no_history": "Ingen søgehistorik",
-        "hint": "Standard søgeområde: emne, indhold og vedhæftningsnavne"
+        "all": "Alle",
+        "all_fields_desc": "Matcher emne, indhold, afsender og modtagere",
+        "subject": "Emne",
+        "body": "Indhold"
     }
 }

web/src/locales/de.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Letzte Suchanfragen",
         "clear_history": "Verlauf löschen",
         "no_history": "Kein Suchverlauf",
-        "hint": "Standard-Suchbereich: Betreff, Inhalt und Anhangnamen"
+        "all": "Alle Felder",
+        "all_fields_desc": "Matcht Betreff, Text, Absender und Empfänger",
+        "subject": "Betreff",
+        "body": "Inhalt"
     }
 }

web/src/locales/en.json

@@ -1555,6 +1555,9 @@
     "recent_title": "Recent searches",
     "clear_history": "Clear history",
     "no_history": "No search history",
-    "hint": "Default scope: subject, body and attachment names"
+    "all": "All Fields",
+    "all_fields_desc": "Matches subject, body, sender, and recipients",
+    "subject": "Subject",
+    "body": "Body"
   }
 }

web/src/locales/es.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Búsquedas recientes",
         "clear_history": "Borrar historial",
         "no_history": "Sin historial de búsqueda",
-        "hint": "Ámbito de búsqueda predeterminado: asunto, contenido y nombres de archivos adjuntos"
+        "all": "Todo",
+        "all_fields_desc": "Coincide con asunto, cuerpo, remitente y destinatarios",
+        "subject": "Asunto",
+        "body": "Cuerpo del mensaje"
     }
 }

web/src/locales/fi.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Viimeisimmät haut",
         "clear_history": "Tyhjennä historia",
         "no_history": "Ei hakuhistoriaa",
-        "hint": "Oletushakualue: otsikko, sisältö ja liitteiden nimet"
+        "all": "Kaikki",
+        "all_fields_desc": "Hakee aiheesta, tekstistä, lähettäjästä ja vastaanottajista",
+        "subject": "Aihe",
+        "body": "Viestiosa"
     }
 }

web/src/locales/fr.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Recherches récentes",
         "clear_history": "Effacer l’historique",
         "no_history": "Aucun historique de recherche",
-        "hint": "Portée par défaut : objet, contenu et noms des pièces jointes"
+        "all": "Tous les champs",
+        "all_fields_desc": "Recherche dans l'objet, le corps, l'expéditeur et les destinataires",
+        "subject": "Objet",
+        "body": "Corps du message"
     }
 }

web/src/locales/it.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Ricerche recenti",
         "clear_history": "Cancella cronologia",
         "no_history": "Nessuna cronologia di ricerca",
-        "hint": "Ambito predefinito: oggetto, contenuto e nomi degli allegati"
+        "all": "Tutti i campi",
+        "all_fields_desc": "Cerca in oggetto, testo, mittente e destinatari",
+        "subject": "Oggetto",
+        "body": "Corpo del messaggio"
     }
 }

web/src/locales/jp.json

@@ -1555,6 +1555,9 @@
         "recent_title": "最近の検索",
         "clear_history": "履歴をクリア",
         "no_history": "履歴なし",
-        "hint": "検索対象：件名・本文・添付ファイル名"
+        "all": "すべて",
+        "all_fields_desc": "件名、本文、送信者、受信者に一致します",
+        "subject": "件名",
+        "body": "本文"
     }
 }

web/src/locales/ko.json

@@ -1555,6 +1555,9 @@
         "recent_title": "최근 검색",
         "clear_history": "기록 지우기",
         "no_history": "검색 기록 없음",
-        "hint": "기본 검색 범위: 제목, 본문 및 첨부파일 이름"
+        "all": "전체",
+        "all_fields_desc": "제목, 본문, 발신자 및 수신자를 검색합니다",
+        "subject": "제목",
+        "body": "본문"
     }
 }

web/src/locales/nl.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Recente zoekopdrachten",
         "clear_history": "Geschiedenis wissen",
         "no_history": "Geen zoekgeschiedenis",
-        "hint": "Standaard zoekbereik: onderwerp, inhoud en bijlagenamen"
+        "all": "Alle velden",
+        "all_fields_desc": "Zoekt in onderwerp, tekst, afzender en ontvangers",
+        "subject": "Onderwerp",
+        "body": "Inhoud"
     }
 }

web/src/locales/no.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Nylige søk",
         "clear_history": "Tøm historikk",
         "no_history": "Ingen søkehistorikk",
-        "hint": "Standard søkeområde: emne, innhold og vedleggsnavn"
+        "all": "Alle",
+        "all_fields_desc": "Søker i emne, tekst, avsender og mottakere",
+        "subject": "Emne",
+        "body": "Innhold"
     }
 }

web/src/locales/pl.json

@@ -1555,6 +1555,9 @@
     "recent_title": "Ostatnie wyszukiwania",
     "clear_history": "Wyczyść historię",
     "no_history": "Brak historii wyszukiwania",
-    "hint": "Domyślny zakres wyszukiwania: temat, treść i nazwy załączników"
+    "all": "Wszystkie",
+    "all_fields_desc": "Dopasowuje temat, treść, nadawcę i odbiorców",
+    "subject": "Temat",
+    "body": "Treść"
   }
 }

web/src/locales/pt.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Pesquisas recentes",
         "clear_history": "Limpar histórico",
         "no_history": "Nenhum histórico de pesquisa",
-        "hint": "Escopo padrão: assunto, conteúdo e nomes dos anexos"
+        "all": "Todos os campos",
+        "all_fields_desc": "Corresponde ao assunto, corpo, remetente e destinatários",
+        "subject": "Assunto",
+        "body": "Corpo da mensagem"
     }
 }

web/src/locales/ru.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Недавние поиски",
         "clear_history": "Очистить историю",
         "no_history": "История поиска пуста",
-        "hint": "По умолчанию поиск выполняется по теме, содержимому и именам вложений"
+        "all": "Все поля",
+        "all_fields_desc": "Поиск по теме, тексту, отправителю и получателям",
+        "subject": "Тема",
+        "body": "Текст письма"
     }
 }

web/src/locales/sv.json

@@ -1555,6 +1555,9 @@
         "recent_title": "Senaste sökningar",
         "clear_history": "Rensa historik",
         "no_history": "Ingen sökhistorik",
-        "hint": "Standardomfattning: ämne, innehåll och bilagenamn"
+        "all": "Alla",
+        "all_fields_desc": "Matchar ämne, innehåll, avsändare och mottagare",
+        "subject": "Ämne",
+        "body": "Innehåll"
     }
 }

web/src/locales/zh-tw.json

@@ -1555,6 +1555,9 @@
         "recent_title": "最近搜尋",
         "clear_history": "清除紀錄",
         "no_history": "尚無搜尋紀錄",
-        "hint": "預設搜尋範圍：郵件標題、內容與附件名稱"
+        "all": "全部",
+        "all_fields_desc": "匹配郵件主題、正文、發件人及收件人",
+        "subject": "郵件主題",
+        "body": "郵件正文"
     }
 }

web/src/locales/zh.json

@@ -1555,6 +1555,9 @@
     "recent_title": "最近搜索",
     "clear_history": "清空记录",
     "no_history": "暂无搜索记录",
-    "hint": "默认搜索范围：邮件标题、正文及附件名称"
+    "all": "全部",
+    "all_fields_desc": "匹配邮件主题、正文、发件人及收件人",
+    "subject": "邮件主题",
+    "body": "邮件正文"
   }
 }