+++ /dev/null
-package main
-
-// stdlib imports
-import "os"
-import "path"
-import "log"
-import "fmt"
-import "regexp"
-import "strings"
-import "sort"
-
-// 3rd-party imports
-import "notmuch"
-import "github.com/msbranco/goconfig"
-
-type mail_addr_freq struct {
- addr string
- count [3]uint
-}
-
-type frequencies map[string]uint
-
-/* Used to sort the email addresses from most to least used */
-func sort_by_freq(m1, m2 *mail_addr_freq) int {
- if m1.count[0] == m2.count[0] &&
- m1.count[1] == m2.count[1] &&
- m1.count[2] == m2.count[2] {
- return 0
- }
-
- if m1.count[0] > m2.count[0] ||
- m1.count[0] == m2.count[0] &&
- m1.count[1] > m2.count[1] ||
- m1.count[0] == m2.count[0] &&
- m1.count[1] == m2.count[1] &&
- m1.count[2] > m2.count[2] {
- return -1
- }
-
- return 1
-}
-
-type maddresses []*mail_addr_freq
-
-func (self *maddresses) Len() int {
- return len(*self)
-}
-
-func (self *maddresses) Less(i, j int) bool {
- m1 := (*self)[i]
- m2 := (*self)[j]
- v := sort_by_freq(m1, m2)
- if v <= 0 {
- return true
- }
- return false
-}
-
-func (self *maddresses) Swap(i, j int) {
- (*self)[i], (*self)[j] = (*self)[j], (*self)[i]
-}
-
-// find most frequent real name for each mail address
-func frequent_fullname(freqs frequencies) string {
- var maxfreq uint = 0
- fullname := ""
- freqs_sz := len(freqs)
-
- for mail, freq := range freqs {
- if (freq > maxfreq && mail != "") || freqs_sz == 1 {
- // only use the entry if it has a real name
- // or if this is the only entry
- maxfreq = freq
- fullname = mail
- }
- }
- return fullname
-}
-
-func addresses_by_frequency(msgs *notmuch.Messages, name string, pass uint, addr_to_realname *map[string]*frequencies) *frequencies {
-
- freqs := make(frequencies)
-
- pattern := `\s*(("(\.|[^"])*"|[^,])*<?(?mail\b\w+([-+.]\w+)*\@\w+[-\.\w]*\.([-\.\w]+)*\w\b)>?)`
- // pattern := "\\s*((\\\"(\\\\.|[^\\\\\"])*\\\"|[^,])*" +
- // "<?(?P<mail>\\b\\w+([-+.]\\w+)*\\@\\w+[-\\.\\w]*\\.([-\\.\\w]+)*\\w\\b)>?)"
- pattern = `.*` + strings.ToLower(name) + `.*`
- var re *regexp.Regexp = nil
- var err error = nil
- if re, err = regexp.Compile(pattern); err != nil {
- log.Printf("error: %v\n", err)
- return &freqs
- }
-
- headers := []string{"from"}
- if pass == 1 {
- headers = append(headers, "to", "cc", "bcc")
- }
-
- for ; msgs.Valid(); msgs.MoveToNext() {
- msg := msgs.Get()
- //println("==> msg [", msg.GetMessageId(), "]")
- for _, header := range headers {
- froms := strings.ToLower(msg.GetHeader(header))
- //println(" froms: ["+froms+"]")
- for _, from := range strings.Split(froms, ",") {
- from = strings.Trim(from, " ")
- match := re.FindString(from)
- //println(" -> match: ["+match+"]")
- occ, ok := freqs[match]
- if !ok {
- freqs[match] = 0
- occ = 0
- }
- freqs[match] = occ + 1
- }
- }
- }
- return &freqs
-}
-
-func search_address_passes(queries [3]*notmuch.Query, name string) []string {
- var val []string
- addr_freq := make(map[string]*mail_addr_freq)
- addr_to_realname := make(map[string]*frequencies)
-
- var pass uint = 0 // 0-based
- for _, query := range queries {
- if query == nil {
- //println("**warning: idx [",idx,"] contains a nil query")
- continue
- }
- msgs := query.SearchMessages()
- ht := addresses_by_frequency(msgs, name, pass, &addr_to_realname)
- for addr, count := range *ht {
- freq, ok := addr_freq[addr]
- if !ok {
- freq = &mail_addr_freq{addr: addr, count: [3]uint{0, 0, 0}}
- }
- freq.count[pass] = count
- addr_freq[addr] = freq
- }
- msgs.Destroy()
- pass += 1
- }
-
- addrs := make(maddresses, len(addr_freq))
- {
- iaddr := 0
- for _, freq := range addr_freq {
- addrs[iaddr] = freq
- iaddr += 1
- }
- }
- sort.Sort(&addrs)
-
- for _, addr := range addrs {
- freqs, ok := addr_to_realname[addr.addr]
- if ok {
- val = append(val, frequent_fullname(*freqs))
- } else {
- val = append(val, addr.addr)
- }
- }
- //println("val:",val)
- return val
-}
-
-type address_matcher struct {
- // the notmuch database
- db *notmuch.Database
- // full path of the notmuch database
- user_db_path string
- // user primary email
- user_primary_email string
- // user tag to mark from addresses as in the address book
- user_addrbook_tag string
-}
-
-func new_address_matcher() *address_matcher {
- // honor NOTMUCH_CONFIG
- home := os.Getenv("NOTMUCH_CONFIG")
- if home == "" {
- home = os.Getenv("HOME")
- }
-
- cfg, err := goconfig.ReadConfigFile(path.Join(home, ".notmuch-config"))
- if err != nil {
- log.Fatalf("error loading config file:", err)
- }
-
- db_path, _ := cfg.GetString("database", "path")
- primary_email, _ := cfg.GetString("user", "primary_email")
- addrbook_tag, err := cfg.GetString("user", "addrbook_tag")
- if err != nil {
- addrbook_tag = "addressbook"
- }
-
- self := &address_matcher{db: nil,
- user_db_path: db_path,
- user_primary_email: primary_email,
- user_addrbook_tag: addrbook_tag}
- return self
-}
-
-func (self *address_matcher) run(name string) {
- queries := [3]*notmuch.Query{}
-
- // open the database
- if db, status := notmuch.OpenDatabase(self.user_db_path,
- notmuch.DATABASE_MODE_READ_ONLY); status == notmuch.STATUS_SUCCESS {
- self.db = db
- } else {
- log.Fatalf("Failed to open the database: %v\n", status)
- }
-
- // pass 1: look at all from: addresses with the address book tag
- query := "tag:" + self.user_addrbook_tag
- if name != "" {
- query = query + " and from:" + name + "*"
- }
- queries[0] = self.db.CreateQuery(query)
-
- // pass 2: look at all to: addresses sent from our primary mail
- query = ""
- if name != "" {
- query = "to:" + name + "*"
- }
- if self.user_primary_email != "" {
- query = query + " from:" + self.user_primary_email
- }
- queries[1] = self.db.CreateQuery(query)
-
- // if that leads only to a few hits, we check every from too
- if queries[0].CountMessages()+queries[1].CountMessages() < 10 {
- query = ""
- if name != "" {
- query = "from:" + name + "*"
- }
- queries[2] = self.db.CreateQuery(query)
- }
-
- // actually retrieve and sort addresses
- results := search_address_passes(queries, name)
- for _, v := range results {
- if v != "" && v != "\n" {
- fmt.Println(v)
- }
- }
- return
-}
-
-func main() {
- //fmt.Println("args:",os.Args)
- app := new_address_matcher()
- name := ""
- if len(os.Args) > 1 {
- name = os.Args[1]
- }
- app.run(name)
-}