57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
// 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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"os"
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"text/tabwriter"
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)
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// TODO: make this configurable? or exercise?
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const (
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minWidth = 0
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tabWidth = 4
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padding = 4
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flags = 0
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)
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type summarizeFunc func(iterator) error
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func (f summarizeFunc) summarize(results iterator) error {
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return f(results)
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}
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// type textSummary struct{}
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// func newTextSummary() *textSummary {
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// return new(textSummary)
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// }
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// func (s *textSummary) summarize(results iterator) error {
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func textSummary(results iterator) error {
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w := tabwriter.NewWriter(os.Stdout, minWidth, tabWidth, padding, ' ', flags)
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write := fmt.Fprintf
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write(w, "DOMAINS\tPAGES\tVISITS\tUNIQUES\n")
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write(w, "-------\t-----\t------\t-------\n")
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var total result
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results.each(func(r result) {
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total = total.add(r)
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write(w, "%s\t%s\t%d\t%d\n", r.domain, r.page, r.visits, r.uniques)
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})
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write(w, "\t\t\t\n")
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write(w, "%s\t%s\t%d\t%d\n", "TOTAL", "", total.visits, total.uniques)
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return w.Flush()
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}
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