52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"fmt"
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"strings"
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)
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// summarize prints the parsing results.
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//
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// it prints the errors and returns if there are any.
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//
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// --json flag encodes to json and prints.
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func summarize(sum *summary, errors ...error) {
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if errs(errors...) {
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return
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}
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const (
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head = "%-30s %10s %20s\n"
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val = "%-30s %10d %20d\n"
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)
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fmt.Printf(head, "DOMAIN", "VISITS", "TIME SPENT")
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fmt.Println(strings.Repeat("-", 65))
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for next, cur := sum.iterator(); next(); {
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r := cur()
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fmt.Printf(val, r.domain, r.visits, r.timeSpent)
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}
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t := sum.totals()
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fmt.Printf("\n"+val, "TOTAL", t.visits, t.timeSpent)
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}
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// this variadic func simplifies the multiple error handling
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func errs(errs ...error) (wasErr bool) {
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for _, err := range errs {
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if err != nil {
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fmt.Printf("> Err: %s\n", err)
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wasErr = true
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}
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}
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return
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}
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