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postspages.go
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/
postspages.go
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// Copyright 2021 Oscar Triano García
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package builder
import (
"fmt"
)
//PostsPages is defined type for a slice of PostsPage.
type PostsPages []PostsPage
func NewPostsPages(postsPerPage int, posts []PostWriting, base string) PostsPages {
nPages := len(posts) / postsPerPage
postsExtraPage := len(posts) % postsPerPage
extraPage := postsExtraPage > 0
if extraPage {
nPages++
}
var url string
iPosts := 0
postsPages := make(PostsPages, nPages)
for iPage := 0; iPage < nPages; iPage++ {
var totalPosts int
if iPage == nPages-1 && extraPage {
totalPosts = postsExtraPage
} else {
totalPosts = postsPerPage
}
if iPage == 0 {
url = fmt.Sprintf("/%v.html", base)
} else {
url = fmt.Sprintf("/%v%v.html", base, iPage)
}
newPage := PostsPage{parent: &postsPages, index: iPage, url: url}
postsPages[iPage] = newPage
for i := 0; i < totalPosts; i++ {
postsPages[iPage].addWriting(posts[iPosts])
iPosts++
}
}
fmt.Println("nPages:", nPages, ";extraPage:", extraPage)
return postsPages
}