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graph.go
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graph.go
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package main
import (
"fmt"
"strconv"
"strings"
)
var (
frameRow = strings.Repeat("=", 80)
)
type CallGraph interface {
Distribution() (map[int64][]CallRecord, error)
DrawRows() (string, error)
Labels(int64) string
}
func Draw(g CallGraph) (string, error) {
s, err := g.DrawRows()
if err != nil {
return "", err
}
strSlice := make([]string, 0)
strSlice = append(strSlice, frameRow, s, frameRow)
return strings.Join(strSlice, "\n"), nil
}
type GraphByHour []CallRecord
type GraphByDuration []CallRecord
type GraphByAgent []CallRecord
func (bh GraphByHour) Distribution() (map[int64][]CallRecord, error) {
dist := make(map[int64][]CallRecord)
var key int64
for _, call := range bh {
key = int64(call.Created_at.Hour())
dist[key] = append(dist[key], call)
}
return dist, nil
}
func (bd GraphByDuration) Distribution() (map[int64][]CallRecord, error) {
dist := make(map[int64][]CallRecord)
var key int64
for _, call := range bd {
key = call.Duration - call.Duration%5
if key > 60 {
key = 60
}
dist[key] = append(dist[key], call)
}
return dist, nil
}
func (ba GraphByAgent) Distribution() (map[int64][]CallRecord, error) {
dist := make(map[int64][]CallRecord)
for _, call := range ba {
key := call.AgentID
dist[key] = append(dist[key], call)
}
return dist, nil
}
func (bh GraphByHour) DrawRows() (s string, err error) {
dist, err := bh.Distribution()
if err != nil {
return
}
rows := make([]string, 0)
for i := int64(8); i < 21; i++ {
// Begin row with the row name (hour)
row := fmt.Sprintf("%4v|", bh.Labels(i))
// Iterate over calls that occurred in hour i
for _, call := range dist[i] {
if !call.IsMissed {
var char, val string
// Get first character of agent name
if val = agentsByID[call.AgentID]; val != "" {
char = string(val[0])
} else {
char = "?"
}
row += fmt.Sprintf(" %v", char)
} else {
row += " -"
}
}
rows = append(rows, row)
}
return strings.Join(rows, "\n"), err
}
func (bd GraphByDuration) DrawRows() (s string, err error) {
dist, err := bd.Distribution()
if err != nil {
return
}
rows := make([]string, 13)
for i := 0; i < 13; i++ {
rows[i] = fmt.Sprintf("%v|", bd.Labels(int64(5*i)))
}
counts := make(map[int64]int)
for k, v := range dist {
counts[k/5] = len(v)
}
for k, v := range counts {
rows[k] += fmt.Sprintf(" %d", v)
}
return strings.Join(rows, "\n"), err
}
func (ba GraphByAgent) DrawRows() (s string, err error) {
dist, err := ba.Distribution()
if err != nil {
return
}
rows := make([]string, 0)
for k, v := range dist {
if k == -1 {
continue
}
agentName := ba.Labels(k)
rows = append(rows, fmt.Sprintf("%9v|", agentName))
rows[len(rows)-1] += fmt.Sprintf(" %d", len(v))
}
return strings.Join(rows, "\n"), err
}
func (bh GraphByHour) Labels(v int64) string {
return fmt.Sprintf("%02v00", v)
}
func (bd GraphByDuration) Labels(v int64) string {
if v == 60 {
return "60+"
}
return fmt.Sprintf("%02d-%02d", v, v+5)
}
func (ba GraphByAgent) Labels(v int64) string {
if val, ok := agentsByID[v]; ok {
return val
}
return strconv.FormatInt(v, 10)
}