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Create a jomsocial (last version) joomla 3.x plugin hot or not rating
Admin can add 10 predefined questions (english and portugues)
Each question have 10 Star ajax rating (very similar like here on gest a freelancer)
Once the rating is submit show the total result like here on freelancer
over the button Hot or not (see attachement) show the total result by example 87
The result is the value of all ratings / 100
the plugin need work without corehack from jomsocial or joomla!
the votings are anonym and only 10 star ajax rating no textfields or other things
Sumary the voting system is very similar to freelancer (take a closer look on the rating system here)
add in admin a config where we can select member can vote other member multible times or only one time
if set to only one time display message you vote this member allready when click the hot or not button above the total result page.