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Perl for Web Site Management by John Callender

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The CyberFair Site’s Architecture

The architecture that our site’s design team had worked out looked something like the diagram in Figure 15-1. Besides a few top-level pages, the bulk of the site was to consist of two kinds of pages: leader profiles, grouped into a number of categories (like “Government,” “School,” etc.), and student pages, grouped according to classroom.

Site architecture for the CyberFair entry

Figure 15-1. Site architecture for the CyberFair entry

So, in terms of automatically generated links, we needed to produce the following:

  • Links from the “who made this site” page to each classroom page

  • Links from each classroom page to each student page for that classroom

  • Links from each student page to the classroom page for that class

  • Links from each student’s page to any leader pages that the student was involved in creating

  • Links from each leader category page to the leader pages that fell under that category

  • Links from each leader page to the category page that the leader fell under

  • Links from each leader page to the pages of the students who were involved in creating it

To generate those links, the make_cf.plx script needed to traverse the site’s pages twice: once to read all the pages and build up a data structure based on their metainformation, and the second time to rewrite each page with links to all the other pages in the structure.

Example 15-1 gives an updated version of make_cf.plx that can do that. ...

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