Example #1
0
// ExportCSV exports database and sites as as csv file
func (d *Database) ExportCSV(tx *sqlx.Tx, siteIDs ...[]int) (outp string, err error) {

	var buff bytes.Buffer

	w := csv.NewWriter(&buff)
	w.Comma = ';'
	w.UseCRLF = true

	err = w.Write([]string{"SITE_SOURCE_ID", "SITE_NAME", "MAIN_CITY_NAME", "GEONAME_ID", "PROJECTION_SYSTEM", "LONGITUDE", "LATITUDE", "ALTITUDE", "CITY_CENTROID", "STATE_OF_KNOWLEDGE", "OCCUPATION", "STARTING_PERIOD", "ENDING_PERIOD", "CARAC_NAME", "CARAC_LVL1", "CARAC_LVL2", "CARAC_LVL3", "CARAC_LVL4", "CARAC_EXP", "BIBLIOGRAPHY", "COMMENTS"})
	if err != nil {
		log.Println("database::ExportCSV : ", err.Error())
	}
	w.Flush()

	// Datatabase isocode

	err = tx.Get(d, "SELECT name, default_language FROM \"database\" WHERE id = $1", d.Id)
	if err != nil {
		return
	}

	// Cache characs
	characs := make(map[int]string)

	q := "WITH RECURSIVE nodes_cte(id, path) AS (SELECT ca.id, cat.name::TEXT AS path FROM charac AS ca LEFT JOIN charac_tr cat ON ca.id = cat.charac_id LEFT JOIN lang ON cat.lang_isocode = lang.isocode WHERE lang.isocode = $1 AND ca.parent_id = 0 UNION ALL SELECT ca.id, (p.path || ';' || cat.name) FROM nodes_cte AS p, charac AS ca LEFT JOIN charac_tr cat ON ca.id = cat.charac_id LEFT JOIN lang ON cat.lang_isocode = lang.isocode WHERE lang.isocode = $1 AND ca.parent_id = p.id) SELECT * FROM nodes_cte AS n ORDER BY n.id ASC\n"

	rows, err := tx.Query(q, d.Default_language)
	switch {
	case err == sql.ErrNoRows:
		rows.Close()
		return outp, nil
	case err != nil:
		rows.Close()
		return
	}
	for rows.Next() {
		var id int
		var path string
		if err = rows.Scan(&id, &path); err != nil {
			return
		}
		characs[id] = path
	}

	q = "SELECT s.code, s.name, s.city_name, s.city_geonameid, ST_X(s.geom::geometry) as longitude, ST_Y(s.geom::geometry) as latitude, ST_X(s.geom_3d::geometry) as longitude_3d, ST_Y(s.geom_3d::geometry) as latitude3d, ST_Z(s.geom_3d::geometry) as altitude, s.centroid, s.occupation, sr.start_date1, sr.start_date2, sr.end_date1, sr.end_date2, src.exceptional, src.knowledge_type, srctr.bibliography, srctr.comment, c.id as charac_id FROM site s LEFT JOIN site_range sr ON s.id = sr.site_id LEFT JOIN site_tr str ON s.id = str.site_id LEFT JOIN site_range__charac src ON sr.id = src.site_range_id LEFT JOIN site_range__charac_tr srctr ON src.id = srctr.site_range__charac_id LEFT JOIN charac c ON src.charac_id = c.id WHERE s.database_id = $1 AND str.lang_isocode IS NULL OR str.lang_isocode = $2 ORDER BY s.id, sr.id"

	rows2, err := tx.Query(q, d.Id, d.Default_language)
	if err != nil {
		rows2.Close()
		return
	}
	for rows2.Next() {
		var (
			code           string
			name           string
			city_name      string
			city_geonameid int
			longitude      float64
			latitude       float64
			longitude3d    float64
			latitude3d     float64
			altitude3d     float64
			centroid       bool
			occupation     string
			start_date1    int
			start_date2    int
			end_date1      int
			end_date2      int
			knowledge_type string
			exceptional    bool
			bibliography   string
			comment        string
			charac_id      int
			slongitude     string
			slatitude      string
			saltitude      string
			scentroid      string
			soccupation    string
			scharacs       string
			scharac_name   string
			scharac_lvl1   string
			scharac_lvl2   string
			scharac_lvl3   string
			scharac_lvl4   string
			sexceptional   string
			// description    string
		)
		if err = rows2.Scan(&code, &name, &city_name, &city_geonameid, &longitude, &latitude, &longitude3d, &latitude3d, &altitude3d, &centroid, &occupation, &start_date1, &start_date2, &end_date1, &end_date2, &exceptional, &knowledge_type, &bibliography, &comment, &charac_id); err != nil {
			log.Println(err)
			rows2.Close()
			return
		}
		// Geonameid
		var cgeonameid string
		if city_geonameid != 0 {
			cgeonameid = strconv.Itoa(city_geonameid)
		}
		// Longitude
		slongitude = strconv.FormatFloat(longitude, 'f', -1, 32)
		// Latitude
		slatitude = strconv.FormatFloat(latitude, 'f', -1, 32)
		// Altitude
		if longitude3d == 0 && latitude3d == 0 && altitude3d == 0 {
			saltitude = ""
		} else {
			saltitude = strconv.FormatFloat(altitude3d, 'f', -1, 32)
		}
		// Centroid
		if centroid {
			scentroid = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_LABEL_YES")
		} else {
			scentroid = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_LABEL_NO")
		}
		// Occupation
		switch occupation {
		case "not_documented":
			soccupation = translate.T(d.Default_language, "IMPORT.CSVFIELD_OCCUPATION.T_LABEL_NOT_DOCUMENTED")
		case "single":
			soccupation = translate.T(d.Default_language, "IMPORT.CSVFIELD_OCCUPATION.T_LABEL_SINGLE")
		case "continuous":
			soccupation = translate.T(d.Default_language, "IMPORT.CSVFIELD_OCCUPATION.T_LABEL_CONTINUOUS")
		case "multiple":
			soccupation = translate.T(d.Default_language, "IMPORT.CSVFIELD_OCCUPATION.T_LABEL_MULTIPLE")
		}
		// State of knowledge
		switch knowledge_type {
		case "not_documented":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_NOT_DOCUMENTED")
		case "literature":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_LITERATURE")
		case "prospected_aerial":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_PROSPECTED_AERIAL")
		case "prospected_pedestrian":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_PROSPECTED_PEDESTRIAN")
		case "surveyed":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_SURVEYED")
		case "dig":
			knowledge_type = translate.T(d.Default_language, "IMPORT.CSVFIELD_STATE_OF_KNOWLEDGE.T_LABEL_DIG")
		}
		// Revert hack on dates
		if start_date1 < 0 && start_date1 > math.MinInt32 {
			start_date1--
		}
		if start_date2 < 0 && start_date2 > math.MinInt32 {
			start_date2--
		}
		if end_date1 < 0 && end_date1 > math.MinInt32 {
			end_date1--
		}
		if end_date2 < 0 && end_date2 > math.MinInt32 {
			end_date2--
		}
		// Starting period
		startingPeriod := ""
		if start_date1 != math.MinInt32 {
			startingPeriod += strconv.Itoa(start_date1)
		}
		if start_date1 != math.MinInt32 && start_date2 != math.MaxInt32 && start_date1 != start_date2 {
			startingPeriod += ":"
		}
		if start_date2 != math.MaxInt32 && start_date1 != start_date2 {
			startingPeriod += strconv.Itoa(start_date2)
		}
		if startingPeriod == "" {
			startingPeriod = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_CHECK_UNDETERMINED")
		}
		// Ending period
		endingPeriod := ""
		if end_date1 != math.MinInt32 {
			endingPeriod += strconv.Itoa(end_date1)
		}
		if end_date1 != math.MinInt32 && end_date2 != math.MaxInt32 && end_date1 != end_date2 {
			endingPeriod += ":"
		}
		if end_date2 != math.MaxInt32 && end_date1 != end_date2 {
			endingPeriod += strconv.Itoa(end_date2)
		}
		if endingPeriod == "" {
			endingPeriod = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_CHECK_UNDETERMINED")
		}
		// Caracs
		var characPath = characs[charac_id]
		// fmt.Println(code, characPath)
		num := strings.Count(characPath, ";")
		if num < 4 {
			scharacs += characPath + strings.Repeat(";", 4-num)
		} else {
			scharacs = characPath
		}
		scharac_lvl2 = ""
		scharac_lvl3 = ""
		scharac_lvl4 = ""
		for i, c := range strings.Split(scharacs, ";") {
			// fmt.Println(i, c)
			switch i {
			case 0:
				scharac_name = c
			case 1:
				scharac_lvl1 = c
			case 2:
				scharac_lvl2 = c
			case 3:
				scharac_lvl3 = c
			case 4:
				scharac_lvl4 = c
			}

		}
		// fmt.Println(scharac_name, scharac_lvl1, scharac_lvl2, scharac_lvl3, scharac_lvl4)
		// fmt.Println(startingPeriod, endingPeriod)
		// Caracs exp
		if exceptional {
			sexceptional = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_LABEL_YES")
		} else {
			sexceptional = translate.T(d.Default_language, "IMPORT.CSVFIELD_ALL.T_LABEL_NO")
		}

		line := []string{code, name, city_name, cgeonameid, "4326", slongitude, slatitude, saltitude, scentroid, knowledge_type, soccupation, startingPeriod, endingPeriod, scharac_name, scharac_lvl1, scharac_lvl2, scharac_lvl3, scharac_lvl4, sexceptional, bibliography, comment}

		err := w.Write(line)
		w.Flush()
		if err != nil {
			log.Println("database::ExportCSV : ", err.Error())
		}
	}

	return buff.String(), nil
}